210956240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:122

約数の個数: 240

約数和(自身を含む): 601628160

約数和(自身を除く): 390671920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 31, 37, 38, 40, 44, 55, 62, 74, 76, 80, 88, 95, 110, 121, 124, 148, 152, 155, 176, 185, 190, 209, 220, 242, 248, 296, 304, 310, 341, 370, 380, 407, 418, 440, 484, 496, 589, 592, 605, 620, 682, 703, 740, 760, 814, 836, 880, 968, 1045, 1147, 1178, 1210, 1240, 1364, 1406, 1480, 1520, 1628, 1672, 1705, 1936, 2035, 2090, 2294, 2299, 2356, 2420, 2480, 2728, 2812, 2945, 2960, 3256, 3344, 3410, 3515, 3751, 4070, 4180, 4477, 4588, 4598, 4712, 4840, 5456, 5624, 5735, 5890, 6479, 6512, 6820, 7030, 7502, 7733, 8140, 8360, 8954, 9176, 9196, 9424, 9680, 11248, 11470, 11495, 11780, 12617, 12958, 13640, 14060, 15004, 15466, 16280, 16720, 17908, 18352, 18392, 18755, 21793, 22385, 22940, 22990, 23560, 25234, 25916, 27280, 28120, 30008, 30932, 32395, 32560, 35816, 36784, 37510, 38665, 43586, 44770, 45880, 45980, 47120, 50468, 51832, 56240, 60016, 61864, 63085, 64790, 71269, 71632, 75020, 77330, 85063, 87172, 89540, 91760, 91960, 100936, 103664, 108965, 123728, 126170, 129580, 138787, 142538, 150040, 154660, 170126, 174344, 179080, 183920, 201872, 217930, 239723, 252340, 259160, 277574, 285076, 300080, 309320, 340252, 348688, 356345, 358160, 425315, 435860, 479446, 504680, 518320, 555148, 570152, 618640, 680504, 693935, 712690, 850630, 871720, 958892, 1009360, 1110296, 1140304, 1198615, 1361008, 1387870, 1425380, 1701260, 1743440, 1917784, 2220592, 2397230, 2636953, 2775740, 2850760, 3402520, 3835568, 4794460, 5273906, 5551480, 5701520, 6805040, 9588920, 10547812, 11102960, 13184765, 19177840, 21095624, 26369530, 42191248, 52739060, 105478120, 210956240]

約数ペア:

[(1, 210956240), (2, 105478120), (4, 52739060), (5, 42191248), (8, 26369530), (10, 21095624), (11, 19177840), (16, 13184765), (19, 11102960), (20, 10547812), (22, 9588920), (31, 6805040), (37, 5701520), (38, 5551480), (40, 5273906), (44, 4794460), (55, 3835568), (62, 3402520), (74, 2850760), (76, 2775740), (80, 2636953), (88, 2397230), (95, 2220592), (110, 1917784), (121, 1743440), (124, 1701260), (148, 1425380), (152, 1387870), (155, 1361008), (176, 1198615), (185, 1140304), (190, 1110296), (209, 1009360), (220, 958892), (242, 871720), (248, 850630), (296, 712690), (304, 693935), (310, 680504), (341, 618640), (370, 570152), (380, 555148), (407, 518320), (418, 504680), (440, 479446), (484, 435860), (496, 425315), (589, 358160), (592, 356345), (605, 348688), (620, 340252), (682, 309320), (703, 300080), (740, 285076), (760, 277574), (814, 259160), (836, 252340), (880, 239723), (968, 217930), (1045, 201872), (1147, 183920), (1178, 179080), (1210, 174344), (1240, 170126), (1364, 154660), (1406, 150040), (1480, 142538), (1520, 138787), (1628, 129580), (1672, 126170), (1705, 123728), (1936, 108965), (2035, 103664), (2090, 100936), (2294, 91960), (2299, 91760), (2356, 89540), (2420, 87172), (2480, 85063), (2728, 77330), (2812, 75020), (2945, 71632), (2960, 71269), (3256, 64790), (3344, 63085), (3410, 61864), (3515, 60016), (3751, 56240), (4070, 51832), (4180, 50468), (4477, 47120), (4588, 45980), (4598, 45880), (4712, 44770), (4840, 43586), (5456, 38665), (5624, 37510), (5735, 36784), (5890, 35816), (6479, 32560), (6512, 32395), (6820, 30932), (7030, 30008), (7502, 28120), (7733, 27280), (8140, 25916), (8360, 25234), (8954, 23560), (9176, 22990), (9196, 22940), (9424, 22385), (9680, 21793), (11248, 18755), (11470, 18392), (11495, 18352), (11780, 17908), (12617, 16720), (12958, 16280), (13640, 15466), (14060, 15004)]