390229320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{250147}}^1$

素因数の和:250174

約数の個数: 64

約数和(自身を含む): 1260745920

約数和(自身を除く): 870516600

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, 250147, 500294, 750441, 1000588, 1250735, 1500882, 2001176, 2501470, 3001764, 3251911, 3752205, 5002940, 6003528, 6503822, 7504410, 9755733, 10005880, 13007644, 15008820, 16259555, 19511466, 26015288, 30017640, 32519110, 39022932, 48778665, 65038220, 78045864, 97557330, 130076440, 195114660, 390229320]

約数ペア:

[(1, 390229320), (2, 195114660), (3, 130076440), (4, 97557330), (5, 78045864), (6, 65038220), (8, 48778665), (10, 39022932), (12, 32519110), (13, 30017640), (15, 26015288), (20, 19511466), (24, 16259555), (26, 15008820), (30, 13007644), (39, 10005880), (40, 9755733), (52, 7504410), (60, 6503822), (65, 6003528), (78, 5002940), (104, 3752205), (120, 3251911), (130, 3001764), (156, 2501470), (195, 2001176), (260, 1500882), (312, 1250735), (390, 1000588), (520, 750441), (780, 500294), (1560, 250147)]