7172620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{563}}^1$

素因数の和:599

約数の個数: 72

約数和(自身を含む): 18903024

約数和(自身を除く): 11730404

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 563, 637, 910, 980, 1126, 1274, 1820, 2252, 2548, 2815, 3185, 3941, 5630, 6370, 7319, 7882, 11260, 12740, 14638, 15764, 19705, 27587, 29276, 36595, 39410, 51233, 55174, 73190, 78820, 102466, 110348, 137935, 146380, 204932, 256165, 275870, 358631, 512330, 551740, 717262, 1024660, 1434524, 1793155, 3586310, 7172620]

約数ペア:

[(1, 7172620), (2, 3586310), (4, 1793155), (5, 1434524), (7, 1024660), (10, 717262), (13, 551740), (14, 512330), (20, 358631), (26, 275870), (28, 256165), (35, 204932), (49, 146380), (52, 137935), (65, 110348), (70, 102466), (91, 78820), (98, 73190), (130, 55174), (140, 51233), (182, 39410), (196, 36595), (245, 29276), (260, 27587), (364, 19705), (455, 15764), (490, 14638), (563, 12740), (637, 11260), (910, 7882), (980, 7319), (1126, 6370), (1274, 5630), (1820, 3941), (2252, 3185), (2548, 2815)]