1498981380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1921771}}^1$

素因数の和:1921796

約数の個数: 48

約数和(自身を含む): 4520007744

約数和(自身を除く): 3021026364

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, 1921771, 3843542, 5765313, 7687084, 9608855, 11530626, 19217710, 23061252, 24983023, 28826565, 38435420, 49966046, 57653130, 74949069, 99932092, 115306260, 124915115, 149898138, 249830230, 299796276, 374745345, 499660460, 749490690, 1498981380]

約数ペア:

[(1, 1498981380), (2, 749490690), (3, 499660460), (4, 374745345), (5, 299796276), (6, 249830230), (10, 149898138), (12, 124915115), (13, 115306260), (15, 99932092), (20, 74949069), (26, 57653130), (30, 49966046), (39, 38435420), (52, 28826565), (60, 24983023), (65, 23061252), (78, 19217710), (130, 11530626), (156, 9608855), (195, 7687084), (260, 5765313), (390, 3843542), (780, 1921771)]