1198840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:112

約数の個数: 64

約数和(自身を含む): 2993760

約数和(自身を除く): 1794920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 43, 68, 82, 85, 86, 136, 164, 170, 172, 205, 215, 328, 340, 344, 410, 430, 680, 697, 731, 820, 860, 1394, 1462, 1640, 1720, 1763, 2788, 2924, 3485, 3526, 3655, 5576, 5848, 6970, 7052, 7310, 8815, 13940, 14104, 14620, 17630, 27880, 29240, 29971, 35260, 59942, 70520, 119884, 149855, 239768, 299710, 599420, 1198840]

約数ペア:

[(1, 1198840), (2, 599420), (4, 299710), (5, 239768), (8, 149855), (10, 119884), (17, 70520), (20, 59942), (34, 35260), (40, 29971), (41, 29240), (43, 27880), (68, 17630), (82, 14620), (85, 14104), (86, 13940), (136, 8815), (164, 7310), (170, 7052), (172, 6970), (205, 5848), (215, 5576), (328, 3655), (340, 3526), (344, 3485), (410, 2924), (430, 2788), (680, 1763), (697, 1720), (731, 1640), (820, 1462), (860, 1394)]