178969980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{4219}}^1$

素因数の和:4339

約数の個数: 96

約数和(自身を含む): 578511360

約数和(自身を除く): 399541380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 101, 105, 140, 202, 210, 303, 404, 420, 505, 606, 707, 1010, 1212, 1414, 1515, 2020, 2121, 2828, 3030, 3535, 4219, 4242, 6060, 7070, 8438, 8484, 10605, 12657, 14140, 16876, 21095, 21210, 25314, 29533, 42190, 42420, 50628, 59066, 63285, 84380, 88599, 118132, 126570, 147665, 177198, 253140, 295330, 354396, 426119, 442995, 590660, 852238, 885990, 1278357, 1704476, 1771980, 2130595, 2556714, 2982833, 4261190, 5113428, 5965666, 6391785, 8522380, 8948499, 11931332, 12783570, 14914165, 17896998, 25567140, 29828330, 35793996, 44742495, 59656660, 89484990, 178969980]

約数ペア:

[(1, 178969980), (2, 89484990), (3, 59656660), (4, 44742495), (5, 35793996), (6, 29828330), (7, 25567140), (10, 17896998), (12, 14914165), (14, 12783570), (15, 11931332), (20, 8948499), (21, 8522380), (28, 6391785), (30, 5965666), (35, 5113428), (42, 4261190), (60, 2982833), (70, 2556714), (84, 2130595), (101, 1771980), (105, 1704476), (140, 1278357), (202, 885990), (210, 852238), (303, 590660), (404, 442995), (420, 426119), (505, 354396), (606, 295330), (707, 253140), (1010, 177198), (1212, 147665), (1414, 126570), (1515, 118132), (2020, 88599), (2121, 84380), (2828, 63285), (3030, 59066), (3535, 50628), (4219, 42420), (4242, 42190), (6060, 29533), (7070, 25314), (8438, 21210), (8484, 21095), (10605, 16876), (12657, 14140)]