290404920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{186157}}^1$

素因数の和:186184

約数の個数: 64

約数和(自身を含む): 938236320

約数和(自身を除く): 647831400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 186157, 372314, 558471, 744628, 930785, 1116942, 1489256, 1861570, 2233884, 2420041, 2792355, 3723140, 4467768, 4840082, 5584710, 7260123, 7446280, 9680164, 11169420, 12100205, 14520246, 19360328, 22338840, 24200410, 29040492, 36300615, 48400820, 58080984, 72601230, 96801640, 145202460, 290404920]

約数ペア:

[(1, 290404920), (2, 145202460), (3, 96801640), (4, 72601230), (5, 58080984), (6, 48400820), (8, 36300615), (10, 29040492), (12, 24200410), (13, 22338840), (15, 19360328), (20, 14520246), (24, 12100205), (26, 11169420), (30, 9680164), (39, 7446280), (40, 7260123), (52, 5584710), (60, 4840082), (65, 4467768), (78, 3723140), (104, 2792355), (120, 2420041), (130, 2233884), (156, 1861570), (195, 1489256), (260, 1116942), (312, 930785), (390, 744628), (520, 558471), (780, 372314), (1560, 186157)]