253768240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{5441}}^1$

素因数の和:5518

約数の個数: 80

約数和(自身を含む): 655913376

約数和(自身を除く): 402145136

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 53, 55, 80, 88, 106, 110, 176, 212, 220, 265, 424, 440, 530, 583, 848, 880, 1060, 1166, 2120, 2332, 2915, 4240, 4664, 5441, 5830, 9328, 10882, 11660, 21764, 23320, 27205, 43528, 46640, 54410, 59851, 87056, 108820, 119702, 217640, 239404, 288373, 299255, 435280, 478808, 576746, 598510, 957616, 1153492, 1197020, 1441865, 2306984, 2394040, 2883730, 3172103, 4613968, 4788080, 5767460, 6344206, 11534920, 12688412, 15860515, 23069840, 25376824, 31721030, 50753648, 63442060, 126884120, 253768240]

約数ペア:

[(1, 253768240), (2, 126884120), (4, 63442060), (5, 50753648), (8, 31721030), (10, 25376824), (11, 23069840), (16, 15860515), (20, 12688412), (22, 11534920), (40, 6344206), (44, 5767460), (53, 4788080), (55, 4613968), (80, 3172103), (88, 2883730), (106, 2394040), (110, 2306984), (176, 1441865), (212, 1197020), (220, 1153492), (265, 957616), (424, 598510), (440, 576746), (530, 478808), (583, 435280), (848, 299255), (880, 288373), (1060, 239404), (1166, 217640), (2120, 119702), (2332, 108820), (2915, 87056), (4240, 59851), (4664, 54410), (5441, 46640), (5830, 43528), (9328, 27205), (10882, 23320), (11660, 21764)]