289451900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{661}}^1$

素因数の和:855

約数の個数: 72

約数和(自身を含む): 655062240

約数和(自身を除く): 365610340

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 151, 290, 302, 580, 604, 661, 725, 755, 1322, 1450, 1510, 2644, 2900, 3020, 3305, 3775, 4379, 6610, 7550, 8758, 13220, 15100, 16525, 17516, 19169, 21895, 33050, 38338, 43790, 66100, 76676, 87580, 95845, 99811, 109475, 191690, 199622, 218950, 383380, 399244, 437900, 479225, 499055, 958450, 998110, 1916900, 1996220, 2495275, 2894519, 4990550, 5789038, 9981100, 11578076, 14472595, 28945190, 57890380, 72362975, 144725950, 289451900]

約数ペア:

[(1, 289451900), (2, 144725950), (4, 72362975), (5, 57890380), (10, 28945190), (20, 14472595), (25, 11578076), (29, 9981100), (50, 5789038), (58, 4990550), (100, 2894519), (116, 2495275), (145, 1996220), (151, 1916900), (290, 998110), (302, 958450), (580, 499055), (604, 479225), (661, 437900), (725, 399244), (755, 383380), (1322, 218950), (1450, 199622), (1510, 191690), (2644, 109475), (2900, 99811), (3020, 95845), (3305, 87580), (3775, 76676), (4379, 66100), (6610, 43790), (7550, 38338), (8758, 33050), (13220, 21895), (15100, 19169), (16525, 17516)]