4037930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 7938000

約数和(自身を除く): 3900070

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 349, 445, 698, 890, 1157, 1745, 2314, 3490, 4537, 5785, 9074, 11570, 22685, 31061, 45370, 62122, 155305, 310610, 403793, 807586, 2018965, 4037930]

約数ペア:

[(1, 4037930), (2, 2018965), (5, 807586), (10, 403793), (13, 310610), (26, 155305), (65, 62122), (89, 45370), (130, 31061), (178, 22685), (349, 11570), (445, 9074), (698, 5785), (890, 4537), (1157, 3490), (1745, 2314)]