668996812820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{6758909}}^1$

素因数の和:6759033

約数の個数: 72

約数和(自身を含む): 1650444715080

約数和(自身を除く): 981447902260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 101, 140, 196, 202, 245, 404, 490, 505, 707, 980, 1010, 1414, 2020, 2828, 3535, 4949, 7070, 9898, 14140, 19796, 24745, 49490, 98980, 6758909, 13517818, 27035636, 33794545, 47312363, 67589090, 94624726, 135178180, 189249452, 236561815, 331186541, 473123630, 662373082, 682649809, 946247260, 1324746164, 1365299618, 1655932705, 2730599236, 3311865410, 3413249045, 4778548663, 6623730820, 6826498090, 9557097326, 13652996180, 19114194652, 23892743315, 33449840641, 47785486630, 66899681282, 95570973260, 133799362564, 167249203205, 334498406410, 668996812820]

約数ペア:

[(1, 668996812820), (2, 334498406410), (4, 167249203205), (5, 133799362564), (7, 95570973260), (10, 66899681282), (14, 47785486630), (20, 33449840641), (28, 23892743315), (35, 19114194652), (49, 13652996180), (70, 9557097326), (98, 6826498090), (101, 6623730820), (140, 4778548663), (196, 3413249045), (202, 3311865410), (245, 2730599236), (404, 1655932705), (490, 1365299618), (505, 1324746164), (707, 946247260), (980, 682649809), (1010, 662373082), (1414, 473123630), (2020, 331186541), (2828, 236561815), (3535, 189249452), (4949, 135178180), (7070, 94624726), (9898, 67589090), (14140, 47312363), (19796, 33794545), (24745, 27035636), (49490, 13517818), (98980, 6758909)]