77685940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1721}}^1$

素因数の和:1828

約数の個数: 48

約数和(自身を含む): 170395344

約数和(自身を除く): 92709404

約数列:

[1, 2, 4, 5, 10, 20, 37, 61, 74, 122, 148, 185, 244, 305, 370, 610, 740, 1220, 1721, 2257, 3442, 4514, 6884, 8605, 9028, 11285, 17210, 22570, 34420, 45140, 63677, 104981, 127354, 209962, 254708, 318385, 419924, 524905, 636770, 1049810, 1273540, 2099620, 3884297, 7768594, 15537188, 19421485, 38842970, 77685940]

約数ペア:

[(1, 77685940), (2, 38842970), (4, 19421485), (5, 15537188), (10, 7768594), (20, 3884297), (37, 2099620), (61, 1273540), (74, 1049810), (122, 636770), (148, 524905), (185, 419924), (244, 318385), (305, 254708), (370, 209962), (610, 127354), (740, 104981), (1220, 63677), (1721, 45140), (2257, 34420), (3442, 22570), (4514, 17210), (6884, 11285), (8605, 9028)]