289958500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1502

約数の個数: 96

約数和(自身を含む): 704471040

約数和(自身を除く): 414512540

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 125, 130, 155, 250, 260, 310, 325, 403, 500, 620, 650, 775, 806, 1300, 1439, 1550, 1612, 1625, 2015, 2878, 3100, 3250, 3875, 4030, 5756, 6500, 7195, 7750, 8060, 10075, 14390, 15500, 18707, 20150, 28780, 35975, 37414, 40300, 44609, 50375, 71950, 74828, 89218, 93535, 100750, 143900, 178436, 179875, 187070, 201500, 223045, 359750, 374140, 446090, 467675, 579917, 719500, 892180, 935350, 1115225, 1159834, 1870700, 2230450, 2319668, 2338375, 2899585, 4460900, 4676750, 5576125, 5799170, 9353500, 11152250, 11598340, 14497925, 22304500, 28995850, 57991700, 72489625, 144979250, 289958500]

約数ペア:

[(1, 289958500), (2, 144979250), (4, 72489625), (5, 57991700), (10, 28995850), (13, 22304500), (20, 14497925), (25, 11598340), (26, 11152250), (31, 9353500), (50, 5799170), (52, 5576125), (62, 4676750), (65, 4460900), (100, 2899585), (124, 2338375), (125, 2319668), (130, 2230450), (155, 1870700), (250, 1159834), (260, 1115225), (310, 935350), (325, 892180), (403, 719500), (500, 579917), (620, 467675), (650, 446090), (775, 374140), (806, 359750), (1300, 223045), (1439, 201500), (1550, 187070), (1612, 179875), (1625, 178436), (2015, 143900), (2878, 100750), (3100, 93535), (3250, 89218), (3875, 74828), (4030, 71950), (5756, 50375), (6500, 44609), (7195, 40300), (7750, 37414), (8060, 35975), (10075, 28780), (14390, 20150), (15500, 18707)]