388183770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331781}}^1$

素因数の和:331807

約数の個数: 48

約数和(自身を含む): 1086917832

約数和(自身を除く): 698734062

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 331781, 663562, 995343, 1658905, 1990686, 2986029, 3317810, 4313153, 4976715, 5972058, 8626306, 9953430, 12939459, 14930145, 21565765, 25878918, 29860290, 38818377, 43131530, 64697295, 77636754, 129394590, 194091885, 388183770]

約数ペア:

[(1, 388183770), (2, 194091885), (3, 129394590), (5, 77636754), (6, 64697295), (9, 43131530), (10, 38818377), (13, 29860290), (15, 25878918), (18, 21565765), (26, 14930145), (30, 12939459), (39, 9953430), (45, 8626306), (65, 5972058), (78, 4976715), (90, 4313153), (117, 3317810), (130, 2986029), (195, 1990686), (234, 1658905), (390, 995343), (585, 663562), (1170, 331781)]