71420980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1117}}^1$

素因数の和:1288

約数の個数: 48

約数和(自身を含む): 157772160

約数和(自身を除く): 86351180

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 139, 230, 278, 460, 556, 695, 1117, 1390, 2234, 2780, 3197, 4468, 5585, 6394, 11170, 12788, 15985, 22340, 25691, 31970, 51382, 63940, 102764, 128455, 155263, 256910, 310526, 513820, 621052, 776315, 1552630, 3105260, 3571049, 7142098, 14284196, 17855245, 35710490, 71420980]

約数ペア:

[(1, 71420980), (2, 35710490), (4, 17855245), (5, 14284196), (10, 7142098), (20, 3571049), (23, 3105260), (46, 1552630), (92, 776315), (115, 621052), (139, 513820), (230, 310526), (278, 256910), (460, 155263), (556, 128455), (695, 102764), (1117, 63940), (1390, 51382), (2234, 31970), (2780, 25691), (3197, 22340), (4468, 15985), (5585, 12788), (6394, 11170)]