139562780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{2687}}^1$

素因数の和:2763

約数の個数: 72

約数和(自身を含む): 347493888

約数和(自身を除く): 207931108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 196, 212, 245, 265, 371, 490, 530, 742, 980, 1060, 1484, 1855, 2597, 2687, 3710, 5194, 5374, 7420, 10388, 10748, 12985, 13435, 18809, 25970, 26870, 37618, 51940, 53740, 75236, 94045, 131663, 142411, 188090, 263326, 284822, 376180, 526652, 569644, 658315, 712055, 996877, 1316630, 1424110, 1993754, 2633260, 2848220, 3987508, 4984385, 6978139, 9968770, 13956278, 19937540, 27912556, 34890695, 69781390, 139562780]

約数ペア:

[(1, 139562780), (2, 69781390), (4, 34890695), (5, 27912556), (7, 19937540), (10, 13956278), (14, 9968770), (20, 6978139), (28, 4984385), (35, 3987508), (49, 2848220), (53, 2633260), (70, 1993754), (98, 1424110), (106, 1316630), (140, 996877), (196, 712055), (212, 658315), (245, 569644), (265, 526652), (371, 376180), (490, 284822), (530, 263326), (742, 188090), (980, 142411), (1060, 131663), (1484, 94045), (1855, 75236), (2597, 53740), (2687, 51940), (3710, 37618), (5194, 26870), (5374, 25970), (7420, 18809), (10388, 13435), (10748, 12985)]