87374020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1663}}^1$

素因数の和:1780

約数の個数: 48

約数和(自身を含む): 191213568

約数和(自身を除く): 103839548

約数列:

[1, 2, 4, 5, 10, 20, 37, 71, 74, 142, 148, 185, 284, 355, 370, 710, 740, 1420, 1663, 2627, 3326, 5254, 6652, 8315, 10508, 13135, 16630, 26270, 33260, 52540, 61531, 118073, 123062, 236146, 246124, 307655, 472292, 590365, 615310, 1180730, 1230620, 2361460, 4368701, 8737402, 17474804, 21843505, 43687010, 87374020]

約数ペア:

[(1, 87374020), (2, 43687010), (4, 21843505), (5, 17474804), (10, 8737402), (20, 4368701), (37, 2361460), (71, 1230620), (74, 1180730), (142, 615310), (148, 590365), (185, 472292), (284, 307655), (355, 246124), (370, 236146), (710, 123062), (740, 118073), (1420, 61531), (1663, 52540), (2627, 33260), (3326, 26270), (5254, 16630), (6652, 13135), (8315, 10508)]