855403460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1\times {\mathrm{3019}}^1$

素因数の和:3516

約数の個数: 48

約数和(自身を含む): 1858967040

約数和(自身を除く): 1003563580

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 457, 620, 914, 1828, 2285, 3019, 4570, 6038, 9140, 12076, 14167, 15095, 28334, 30190, 56668, 60380, 70835, 93589, 141670, 187178, 283340, 374356, 467945, 935890, 1379683, 1871780, 2759366, 5518732, 6898415, 13796830, 27593660, 42770173, 85540346, 171080692, 213850865, 427701730, 855403460]

約数ペア:

[(1, 855403460), (2, 427701730), (4, 213850865), (5, 171080692), (10, 85540346), (20, 42770173), (31, 27593660), (62, 13796830), (124, 6898415), (155, 5518732), (310, 2759366), (457, 1871780), (620, 1379683), (914, 935890), (1828, 467945), (2285, 374356), (3019, 283340), (4570, 187178), (6038, 141670), (9140, 93589), (12076, 70835), (14167, 60380), (15095, 56668), (28334, 30190)]