511614620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{163}}^1\times {\mathrm{1297}}^1$

素因数の和:1491

約数の個数: 72

約数和(自身を含む): 1189102992

約数和(自身を除く): 677488372

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 163, 220, 242, 326, 484, 605, 652, 815, 1210, 1297, 1630, 1793, 2420, 2594, 3260, 3586, 5188, 6485, 7172, 8965, 12970, 14267, 17930, 19723, 25940, 28534, 35860, 39446, 57068, 71335, 78892, 98615, 142670, 156937, 197230, 211411, 285340, 313874, 394460, 422822, 627748, 784685, 845644, 1057055, 1569370, 2114110, 2325521, 3138740, 4228220, 4651042, 9302084, 11627605, 23255210, 25580731, 46510420, 51161462, 102322924, 127903655, 255807310, 511614620]

約数ペア:

[(1, 511614620), (2, 255807310), (4, 127903655), (5, 102322924), (10, 51161462), (11, 46510420), (20, 25580731), (22, 23255210), (44, 11627605), (55, 9302084), (110, 4651042), (121, 4228220), (163, 3138740), (220, 2325521), (242, 2114110), (326, 1569370), (484, 1057055), (605, 845644), (652, 784685), (815, 627748), (1210, 422822), (1297, 394460), (1630, 313874), (1793, 285340), (2420, 211411), (2594, 197230), (3260, 156937), (3586, 142670), (5188, 98615), (6485, 78892), (7172, 71335), (8965, 57068), (12970, 39446), (14267, 35860), (17930, 28534), (19723, 25940)]