312367380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{400471}}^1$

素因数の和:400496

約数の個数: 48

約数和(自身を含む): 941910144

約数和(自身を除く): 629542764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 400471, 800942, 1201413, 1601884, 2002355, 2402826, 4004710, 4805652, 5206123, 6007065, 8009420, 10412246, 12014130, 15618369, 20824492, 24028260, 26030615, 31236738, 52061230, 62473476, 78091845, 104122460, 156183690, 312367380]

約数ペア:

[(1, 312367380), (2, 156183690), (3, 104122460), (4, 78091845), (5, 62473476), (6, 52061230), (10, 31236738), (12, 26030615), (13, 24028260), (15, 20824492), (20, 15618369), (26, 12014130), (30, 10412246), (39, 8009420), (52, 6007065), (60, 5206123), (65, 4805652), (78, 4004710), (130, 2402826), (156, 2002355), (195, 1601884), (260, 1201413), (390, 800942), (780, 400471)]