78450580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{17749}}^1$

素因数の和:17788

約数の個数: 48

約数和(自身を含む): 187866000

約数和(自身を除く): 109415420

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 17749, 35498, 70996, 88745, 177490, 230737, 301733, 354980, 461474, 603466, 922948, 1153685, 1206932, 1508665, 2307370, 3017330, 3922529, 4614740, 6034660, 7845058, 15690116, 19612645, 39225290, 78450580]

約数ペア:

[(1, 78450580), (2, 39225290), (4, 19612645), (5, 15690116), (10, 7845058), (13, 6034660), (17, 4614740), (20, 3922529), (26, 3017330), (34, 2307370), (52, 1508665), (65, 1206932), (68, 1153685), (85, 922948), (130, 603466), (170, 461474), (221, 354980), (260, 301733), (340, 230737), (442, 177490), (884, 88745), (1105, 70996), (2210, 35498), (4420, 17749)]