31801900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1439}}^1$

素因数の和:1483

約数の個数: 72

約数和(自身を含む): 78744960

約数和(自身を除く): 46943060

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 130, 170, 221, 260, 325, 340, 425, 442, 650, 850, 884, 1105, 1300, 1439, 1700, 2210, 2878, 4420, 5525, 5756, 7195, 11050, 14390, 18707, 22100, 24463, 28780, 35975, 37414, 48926, 71950, 74828, 93535, 97852, 122315, 143900, 187070, 244630, 318019, 374140, 467675, 489260, 611575, 636038, 935350, 1223150, 1272076, 1590095, 1870700, 2446300, 3180190, 6360380, 7950475, 15900950, 31801900]

約数ペア:

[(1, 31801900), (2, 15900950), (4, 7950475), (5, 6360380), (10, 3180190), (13, 2446300), (17, 1870700), (20, 1590095), (25, 1272076), (26, 1223150), (34, 935350), (50, 636038), (52, 611575), (65, 489260), (68, 467675), (85, 374140), (100, 318019), (130, 244630), (170, 187070), (221, 143900), (260, 122315), (325, 97852), (340, 93535), (425, 74828), (442, 71950), (650, 48926), (850, 37414), (884, 35975), (1105, 28780), (1300, 24463), (1439, 22100), (1700, 18707), (2210, 14390), (2878, 11050), (4420, 7195), (5525, 5756)]