291255560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{22543}}^1$

素因数の和:22590

約数の個数: 64

約数和(自身を含む): 730425600

約数和(自身を除く): 439170040

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2584, 3230, 6460, 12920, 22543, 45086, 90172, 112715, 180344, 225430, 383231, 428317, 450860, 766462, 856634, 901720, 1532924, 1713268, 1916155, 2141585, 3065848, 3426536, 3832310, 4283170, 7281389, 7664620, 8566340, 14562778, 15329240, 17132680, 29125556, 36406945, 58251112, 72813890, 145627780, 291255560]

約数ペア:

[(1, 291255560), (2, 145627780), (4, 72813890), (5, 58251112), (8, 36406945), (10, 29125556), (17, 17132680), (19, 15329240), (20, 14562778), (34, 8566340), (38, 7664620), (40, 7281389), (68, 4283170), (76, 3832310), (85, 3426536), (95, 3065848), (136, 2141585), (152, 1916155), (170, 1713268), (190, 1532924), (323, 901720), (340, 856634), (380, 766462), (646, 450860), (680, 428317), (760, 383231), (1292, 225430), (1615, 180344), (2584, 112715), (3230, 90172), (6460, 45086), (12920, 22543)]