281680300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1571}}^1$

素因数の和:1759

約数の個数: 72

約数和(自身を含む): 671332032

約数和(自身を除く): 389651732

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 163, 220, 275, 326, 550, 652, 815, 1100, 1571, 1630, 1793, 3142, 3260, 3586, 4075, 6284, 7172, 7855, 8150, 8965, 15710, 16300, 17281, 17930, 31420, 34562, 35860, 39275, 44825, 69124, 78550, 86405, 89650, 157100, 172810, 179300, 256073, 345620, 432025, 512146, 864050, 1024292, 1280365, 1728100, 2560730, 2816803, 5121460, 5633606, 6401825, 11267212, 12803650, 14084015, 25607300, 28168030, 56336060, 70420075, 140840150, 281680300]

約数ペア:

[(1, 281680300), (2, 140840150), (4, 70420075), (5, 56336060), (10, 28168030), (11, 25607300), (20, 14084015), (22, 12803650), (25, 11267212), (44, 6401825), (50, 5633606), (55, 5121460), (100, 2816803), (110, 2560730), (163, 1728100), (220, 1280365), (275, 1024292), (326, 864050), (550, 512146), (652, 432025), (815, 345620), (1100, 256073), (1571, 179300), (1630, 172810), (1793, 157100), (3142, 89650), (3260, 86405), (3586, 78550), (4075, 69124), (6284, 44825), (7172, 39275), (7855, 35860), (8150, 34562), (8965, 31420), (15710, 17930), (16300, 17281)]