87990710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{14939}}^1$

素因数の和:14996

約数の個数: 32

約数和(自身を含む): 172108800

約数和(自身を除く): 84118090

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 5890, 14939, 29878, 74695, 149390, 283841, 463109, 567682, 926218, 1419205, 2315545, 2838410, 4631090, 8799071, 17598142, 43995355, 87990710]

約数ペア:

[(1, 87990710), (2, 43995355), (5, 17598142), (10, 8799071), (19, 4631090), (31, 2838410), (38, 2315545), (62, 1419205), (95, 926218), (155, 567682), (190, 463109), (310, 283841), (589, 149390), (1178, 74695), (2945, 29878), (5890, 14939)]