391551310

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{419}}^1$

素因数の和:705

約数の個数: 64

約数和(自身を含む): 783820800

約数和(自身を除く): 392269490

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 239, 391, 419, 478, 782, 838, 1195, 1955, 2095, 2390, 3910, 4063, 4190, 5497, 7123, 8126, 9637, 10994, 14246, 19274, 20315, 27485, 35615, 40630, 48185, 54970, 71230, 93449, 96370, 100141, 163829, 186898, 200282, 327658, 467245, 500705, 819145, 934490, 1001410, 1638290, 1702397, 2303243, 3404794, 4606486, 8511985, 11516215, 17023970, 23032430, 39155131, 78310262, 195775655, 391551310]

約数ペア:

[(1, 391551310), (2, 195775655), (5, 78310262), (10, 39155131), (17, 23032430), (23, 17023970), (34, 11516215), (46, 8511985), (85, 4606486), (115, 3404794), (170, 2303243), (230, 1702397), (239, 1638290), (391, 1001410), (419, 934490), (478, 819145), (782, 500705), (838, 467245), (1195, 327658), (1955, 200282), (2095, 186898), (2390, 163829), (3910, 100141), (4063, 96370), (4190, 93449), (5497, 71230), (7123, 54970), (8126, 48185), (9637, 40630), (10994, 35615), (14246, 27485), (19274, 20315)]