290137380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{371971}}^1$

素因数の和:371996

約数の個数: 48

約数和(自身を含む): 874878144

約数和(自身を除く): 584740764

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, 371971, 743942, 1115913, 1487884, 1859855, 2231826, 3719710, 4463652, 4835623, 5579565, 7439420, 9671246, 11159130, 14506869, 19342492, 22318260, 24178115, 29013738, 48356230, 58027476, 72534345, 96712460, 145068690, 290137380]

約数ペア:

[(1, 290137380), (2, 145068690), (3, 96712460), (4, 72534345), (5, 58027476), (6, 48356230), (10, 29013738), (12, 24178115), (13, 22318260), (15, 19342492), (20, 14506869), (26, 11159130), (30, 9671246), (39, 7439420), (52, 5579565), (60, 4835623), (65, 4463652), (78, 3719710), (130, 2231826), (156, 1859855), (195, 1487884), (260, 1115913), (390, 743942), (780, 371971)]