40697860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1951}}^1$

素因数の和:2116

約数の個数: 48

約数和(自身を含む): 98380800

約数和(自身を除く): 57682940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 1951, 2086, 2980, 3902, 4172, 5215, 7804, 9755, 10430, 13657, 19510, 20860, 27314, 39020, 54628, 68285, 136570, 273140, 290699, 581398, 1162796, 1453495, 2034893, 2906990, 4069786, 5813980, 8139572, 10174465, 20348930, 40697860]

約数ペア:

[(1, 40697860), (2, 20348930), (4, 10174465), (5, 8139572), (7, 5813980), (10, 4069786), (14, 2906990), (20, 2034893), (28, 1453495), (35, 1162796), (70, 581398), (140, 290699), (149, 273140), (298, 136570), (596, 68285), (745, 54628), (1043, 39020), (1490, 27314), (1951, 20860), (2086, 19510), (2980, 13657), (3902, 10430), (4172, 9755), (5215, 7804)]