121801940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1621}}^1$

素因数の和:1677

約数の個数: 72

約数和(自身を含む): 292796952

約数和(自身を除く): 170995012

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 289, 340, 442, 578, 884, 1105, 1156, 1445, 1621, 2210, 2890, 3242, 3757, 4420, 5780, 6484, 7514, 8105, 15028, 16210, 18785, 21073, 27557, 32420, 37570, 42146, 55114, 75140, 84292, 105365, 110228, 137785, 210730, 275570, 358241, 421460, 468469, 551140, 716482, 936938, 1432964, 1791205, 1873876, 2342345, 3582410, 4684690, 6090097, 7164820, 9369380, 12180194, 24360388, 30450485, 60900970, 121801940]

約数ペア:

[(1, 121801940), (2, 60900970), (4, 30450485), (5, 24360388), (10, 12180194), (13, 9369380), (17, 7164820), (20, 6090097), (26, 4684690), (34, 3582410), (52, 2342345), (65, 1873876), (68, 1791205), (85, 1432964), (130, 936938), (170, 716482), (221, 551140), (260, 468469), (289, 421460), (340, 358241), (442, 275570), (578, 210730), (884, 137785), (1105, 110228), (1156, 105365), (1445, 84292), (1621, 75140), (2210, 55114), (2890, 42146), (3242, 37570), (3757, 32420), (4420, 27557), (5780, 21073), (6484, 18785), (7514, 16210), (8105, 15028)]