389617280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{46829}}^1$

素因数の和:46861

約数の個数: 64

約数和(自身を含む): 1003098600

約数和(自身を除く): 613481320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 46829, 93658, 187316, 234145, 374632, 468290, 608777, 749264, 936580, 1217554, 1498528, 1873160, 2435108, 2997056, 3043885, 3746320, 4870216, 5994112, 6087770, 7492640, 9740432, 12175540, 14985280, 19480864, 24351080, 29970560, 38961728, 48702160, 77923456, 97404320, 194808640, 389617280]

約数ペア:

[(1, 389617280), (2, 194808640), (4, 97404320), (5, 77923456), (8, 48702160), (10, 38961728), (13, 29970560), (16, 24351080), (20, 19480864), (26, 14985280), (32, 12175540), (40, 9740432), (52, 7492640), (64, 6087770), (65, 5994112), (80, 4870216), (104, 3746320), (128, 3043885), (130, 2997056), (160, 2435108), (208, 1873160), (260, 1498528), (320, 1217554), (416, 936580), (520, 749264), (640, 608777), (832, 468290), (1040, 374632), (1664, 234145), (2080, 187316), (4160, 93658), (8320, 46829)]