238993020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:257

約数の個数: 288

約数和(自身を含む): 891072000

約数和(自身を除く): 652078980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 67, 70, 76, 84, 90, 95, 105, 114, 126, 133, 134, 140, 149, 171, 180, 190, 201, 210, 228, 252, 266, 268, 285, 298, 315, 335, 342, 380, 399, 402, 420, 447, 469, 532, 570, 596, 603, 630, 665, 670, 684, 745, 798, 804, 855, 894, 938, 1005, 1043, 1140, 1197, 1206, 1260, 1273, 1330, 1340, 1341, 1407, 1490, 1596, 1710, 1788, 1876, 1995, 2010, 2086, 2235, 2345, 2394, 2412, 2546, 2660, 2682, 2814, 2831, 2980, 3015, 3129, 3420, 3819, 3990, 4020, 4172, 4221, 4470, 4690, 4788, 5092, 5215, 5364, 5628, 5662, 5985, 6030, 6258, 6365, 6705, 7035, 7638, 7980, 8442, 8493, 8911, 8940, 9380, 9387, 9983, 10430, 11324, 11457, 11970, 12060, 12516, 12730, 13410, 14070, 14155, 15276, 15645, 16884, 16986, 17822, 18774, 19095, 19817, 19966, 20860, 21105, 22914, 23940, 25460, 25479, 26733, 26820, 28140, 28310, 29949, 31290, 33972, 35644, 37548, 38190, 39634, 39932, 42210, 42465, 44555, 45828, 46935, 49915, 50958, 53466, 56620, 57285, 59451, 59898, 62580, 69881, 76380, 79268, 80199, 84420, 84930, 89110, 89847, 93870, 99085, 99830, 101916, 106932, 114570, 118902, 119796, 127395, 133665, 139762, 149745, 160398, 169860, 178220, 178353, 179694, 187740, 189677, 198170, 199660, 209643, 229140, 237804, 254790, 267330, 279524, 297255, 299490, 320796, 349405, 356706, 359388, 379354, 396340, 400995, 419286, 449235, 509580, 534660, 569031, 594510, 598980, 628929, 698810, 713412, 758708, 801990, 838572, 891765, 898470, 948385, 1048215, 1138062, 1189020, 1257858, 1327739, 1397620, 1603980, 1707093, 1783530, 1796940, 1896770, 2096430, 2276124, 2515716, 2655478, 2845155, 3144645, 3414186, 3567060, 3793540, 3983217, 4192860, 5310956, 5690310, 6289290, 6638695, 6828372, 7966434, 8535465, 11380620, 11949651, 12578580, 13277390, 15932868, 17070930, 19916085, 23899302, 26554780, 34141860, 39832170, 47798604, 59748255, 79664340, 119496510, 238993020]

約数ペア:

[(1, 238993020), (2, 119496510), (3, 79664340), (4, 59748255), (5, 47798604), (6, 39832170), (7, 34141860), (9, 26554780), (10, 23899302), (12, 19916085), (14, 17070930), (15, 15932868), (18, 13277390), (19, 12578580), (20, 11949651), (21, 11380620), (28, 8535465), (30, 7966434), (35, 6828372), (36, 6638695), (38, 6289290), (42, 5690310), (45, 5310956), (57, 4192860), (60, 3983217), (63, 3793540), (67, 3567060), (70, 3414186), (76, 3144645), (84, 2845155), (90, 2655478), (95, 2515716), (105, 2276124), (114, 2096430), (126, 1896770), (133, 1796940), (134, 1783530), (140, 1707093), (149, 1603980), (171, 1397620), (180, 1327739), (190, 1257858), (201, 1189020), (210, 1138062), (228, 1048215), (252, 948385), (266, 898470), (268, 891765), (285, 838572), (298, 801990), (315, 758708), (335, 713412), (342, 698810), (380, 628929), (399, 598980), (402, 594510), (420, 569031), (447, 534660), (469, 509580), (532, 449235), (570, 419286), (596, 400995), (603, 396340), (630, 379354), (665, 359388), (670, 356706), (684, 349405), (745, 320796), (798, 299490), (804, 297255), (855, 279524), (894, 267330), (938, 254790), (1005, 237804), (1043, 229140), (1140, 209643), (1197, 199660), (1206, 198170), (1260, 189677), (1273, 187740), (1330, 179694), (1340, 178353), (1341, 178220), (1407, 169860), (1490, 160398), (1596, 149745), (1710, 139762), (1788, 133665), (1876, 127395), (1995, 119796), (2010, 118902), (2086, 114570), (2235, 106932), (2345, 101916), (2394, 99830), (2412, 99085), (2546, 93870), (2660, 89847), (2682, 89110), (2814, 84930), (2831, 84420), (2980, 80199), (3015, 79268), (3129, 76380), (3420, 69881), (3819, 62580), (3990, 59898), (4020, 59451), (4172, 57285), (4221, 56620), (4470, 53466), (4690, 50958), (4788, 49915), (5092, 46935), (5215, 45828), (5364, 44555), (5628, 42465), (5662, 42210), (5985, 39932), (6030, 39634), (6258, 38190), (6365, 37548), (6705, 35644), (7035, 33972), (7638, 31290), (7980, 29949), (8442, 28310), (8493, 28140), (8911, 26820), (8940, 26733), (9380, 25479), (9387, 25460), (9983, 23940), (10430, 22914), (11324, 21105), (11457, 20860), (11970, 19966), (12060, 19817), (12516, 19095), (12730, 18774), (13410, 17822), (14070, 16986), (14155, 16884), (15276, 15645)]