27872180

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:286

約数の個数: 96

約数和(自身を含む): 72576000

約数和(自身を除く): 44703820

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, 343, 476, 478, 490, 595, 686, 833, 956, 980, 1190, 1195, 1372, 1666, 1673, 1715, 2380, 2390, 3332, 3346, 3430, 4063, 4165, 4780, 5831, 6692, 6860, 8126, 8330, 8365, 11662, 11711, 16252, 16660, 16730, 20315, 23324, 23422, 28441, 29155, 33460, 40630, 46844, 56882, 58310, 58555, 81260, 81977, 113764, 116620, 117110, 142205, 163954, 199087, 234220, 284410, 327908, 398174, 409885, 568820, 796348, 819770, 995435, 1393609, 1639540, 1990870, 2787218, 3981740, 5574436, 6968045, 13936090, 27872180]

約数ペア:

[(1, 27872180), (2, 13936090), (4, 6968045), (5, 5574436), (7, 3981740), (10, 2787218), (14, 1990870), (17, 1639540), (20, 1393609), (28, 995435), (34, 819770), (35, 796348), (49, 568820), (68, 409885), (70, 398174), (85, 327908), (98, 284410), (119, 234220), (140, 199087), (170, 163954), (196, 142205), (238, 117110), (239, 116620), (245, 113764), (340, 81977), (343, 81260), (476, 58555), (478, 58310), (490, 56882), (595, 46844), (686, 40630), (833, 33460), (956, 29155), (980, 28441), (1190, 23422), (1195, 23324), (1372, 20315), (1666, 16730), (1673, 16660), (1715, 16252), (2380, 11711), (2390, 11662), (3332, 8365), (3346, 8330), (3430, 8126), (4063, 6860), (4165, 6692), (4780, 5831)]