3981740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 10342080

約数和(自身を除く): 6360340

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 239, 245, 340, 476, 478, 490, 595, 833, 956, 980, 1190, 1195, 1666, 1673, 2380, 2390, 3332, 3346, 4063, 4165, 4780, 6692, 8126, 8330, 8365, 11711, 16252, 16660, 16730, 20315, 23422, 28441, 33460, 40630, 46844, 56882, 58555, 81260, 113764, 117110, 142205, 199087, 234220, 284410, 398174, 568820, 796348, 995435, 1990870, 3981740]

約数ペア:

[(1, 3981740), (2, 1990870), (4, 995435), (5, 796348), (7, 568820), (10, 398174), (14, 284410), (17, 234220), (20, 199087), (28, 142205), (34, 117110), (35, 113764), (49, 81260), (68, 58555), (70, 56882), (85, 46844), (98, 40630), (119, 33460), (140, 28441), (170, 23422), (196, 20315), (238, 16730), (239, 16660), (245, 16252), (340, 11711), (476, 8365), (478, 8330), (490, 8126), (595, 6692), (833, 4780), (956, 4165), (980, 4063), (1190, 3346), (1195, 3332), (1666, 2390), (1673, 2380)]