71493620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{8783}}^1$

素因数の和:8840

約数の個数: 48

約数和(自身を含む): 168231168

約数和(自身を除く): 96737548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 4070, 8140, 8783, 17566, 35132, 43915, 87830, 96613, 175660, 193226, 324971, 386452, 483065, 649942, 966130, 1299884, 1624855, 1932260, 3249710, 3574681, 6499420, 7149362, 14298724, 17873405, 35746810, 71493620]

約数ペア:

[(1, 71493620), (2, 35746810), (4, 17873405), (5, 14298724), (10, 7149362), (11, 6499420), (20, 3574681), (22, 3249710), (37, 1932260), (44, 1624855), (55, 1299884), (74, 966130), (110, 649942), (148, 483065), (185, 386452), (220, 324971), (370, 193226), (407, 175660), (740, 96613), (814, 87830), (1628, 43915), (2035, 35132), (4070, 17566), (8140, 8783)]