1490808440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{91573}}^1$

素因数の和:91632

約数の個数: 64

約数和(自身を含む): 3758196960

約数和(自身を除く): 2267388520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3256, 4070, 8140, 16280, 91573, 183146, 366292, 457865, 732584, 915730, 1007303, 1831460, 2014606, 3388201, 3662920, 4029212, 5036515, 6776402, 8058424, 10073030, 13552804, 16941005, 20146060, 27105608, 33882010, 37270211, 40292120, 67764020, 74540422, 135528040, 149080844, 186351055, 298161688, 372702110, 745404220, 1490808440]

約数ペア:

[(1, 1490808440), (2, 745404220), (4, 372702110), (5, 298161688), (8, 186351055), (10, 149080844), (11, 135528040), (20, 74540422), (22, 67764020), (37, 40292120), (40, 37270211), (44, 33882010), (55, 27105608), (74, 20146060), (88, 16941005), (110, 13552804), (148, 10073030), (185, 8058424), (220, 6776402), (296, 5036515), (370, 4029212), (407, 3662920), (440, 3388201), (740, 2014606), (814, 1831460), (1480, 1007303), (1628, 915730), (2035, 732584), (3256, 457865), (4070, 366292), (8140, 183146), (16280, 91573)]