249879420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:761

約数の個数: 216

約数和(自身を含む): 904529808

約数和(自身を除く): 654650388

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 41, 42, 45, 49, 60, 63, 70, 82, 84, 90, 98, 105, 123, 126, 140, 147, 164, 180, 196, 205, 210, 245, 246, 252, 287, 294, 315, 369, 410, 420, 441, 490, 492, 574, 588, 615, 630, 691, 735, 738, 820, 861, 882, 980, 1148, 1230, 1260, 1382, 1435, 1470, 1476, 1722, 1764, 1845, 2009, 2073, 2205, 2460, 2583, 2764, 2870, 2940, 3444, 3455, 3690, 4018, 4146, 4305, 4410, 4837, 5166, 5740, 6027, 6219, 6910, 7380, 8036, 8292, 8610, 8820, 9674, 10045, 10332, 10365, 12054, 12438, 12915, 13820, 14511, 17220, 18081, 19348, 20090, 20730, 24108, 24185, 24876, 25830, 28331, 29022, 30135, 31095, 33859, 36162, 40180, 41460, 43533, 48370, 51660, 56662, 58044, 60270, 62190, 67718, 72324, 72555, 84993, 87066, 90405, 96740, 101577, 113324, 120540, 124380, 135436, 141655, 145110, 169295, 169986, 174132, 180810, 198317, 203154, 217665, 254979, 283310, 290220, 304731, 338590, 339972, 361620, 396634, 406308, 424965, 435330, 507885, 509958, 566620, 594951, 609462, 677180, 793268, 849930, 870660, 991585, 1015770, 1019916, 1189902, 1218924, 1274895, 1388219, 1523655, 1699860, 1784853, 1983170, 2031540, 2379804, 2549790, 2776438, 2974755, 3047310, 3569706, 3966340, 4164657, 5099580, 5552876, 5949510, 6094620, 6941095, 7139412, 8329314, 8924265, 11899020, 12493971, 13882190, 16658628, 17848530, 20823285, 24987942, 27764380, 35697060, 41646570, 49975884, 62469855, 83293140, 124939710, 249879420]

約数ペア:

[(1, 249879420), (2, 124939710), (3, 83293140), (4, 62469855), (5, 49975884), (6, 41646570), (7, 35697060), (9, 27764380), (10, 24987942), (12, 20823285), (14, 17848530), (15, 16658628), (18, 13882190), (20, 12493971), (21, 11899020), (28, 8924265), (30, 8329314), (35, 7139412), (36, 6941095), (41, 6094620), (42, 5949510), (45, 5552876), (49, 5099580), (60, 4164657), (63, 3966340), (70, 3569706), (82, 3047310), (84, 2974755), (90, 2776438), (98, 2549790), (105, 2379804), (123, 2031540), (126, 1983170), (140, 1784853), (147, 1699860), (164, 1523655), (180, 1388219), (196, 1274895), (205, 1218924), (210, 1189902), (245, 1019916), (246, 1015770), (252, 991585), (287, 870660), (294, 849930), (315, 793268), (369, 677180), (410, 609462), (420, 594951), (441, 566620), (490, 509958), (492, 507885), (574, 435330), (588, 424965), (615, 406308), (630, 396634), (691, 361620), (735, 339972), (738, 338590), (820, 304731), (861, 290220), (882, 283310), (980, 254979), (1148, 217665), (1230, 203154), (1260, 198317), (1382, 180810), (1435, 174132), (1470, 169986), (1476, 169295), (1722, 145110), (1764, 141655), (1845, 135436), (2009, 124380), (2073, 120540), (2205, 113324), (2460, 101577), (2583, 96740), (2764, 90405), (2870, 87066), (2940, 84993), (3444, 72555), (3455, 72324), (3690, 67718), (4018, 62190), (4146, 60270), (4305, 58044), (4410, 56662), (4837, 51660), (5166, 48370), (5740, 43533), (6027, 41460), (6219, 40180), (6910, 36162), (7380, 33859), (8036, 31095), (8292, 30135), (8610, 29022), (8820, 28331), (9674, 25830), (10045, 24876), (10332, 24185), (10365, 24108), (12054, 20730), (12438, 20090), (12915, 19348), (13820, 18081), (14511, 17220)]