490699575

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{479}}^1$

素因数の和:681

約数の個数: 72

約数和(自身を含む): 916905600

約数和(自身を除く): 426206025

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 157, 225, 261, 435, 471, 479, 725, 785, 1305, 1413, 1437, 2175, 2355, 2395, 3925, 4311, 4553, 6525, 7065, 7185, 11775, 11975, 13659, 13891, 21555, 22765, 35325, 35925, 40977, 41673, 68295, 69455, 75203, 107775, 113825, 125019, 204885, 208365, 225609, 341475, 347275, 376015, 625095, 676827, 1024425, 1041825, 1128045, 1880075, 2180887, 3125475, 3384135, 5640225, 6542661, 10904435, 16920675, 19627983, 32713305, 54522175, 98139915, 163566525, 490699575]

約数ペア:

[(1, 490699575), (3, 163566525), (5, 98139915), (9, 54522175), (15, 32713305), (25, 19627983), (29, 16920675), (45, 10904435), (75, 6542661), (87, 5640225), (145, 3384135), (157, 3125475), (225, 2180887), (261, 1880075), (435, 1128045), (471, 1041825), (479, 1024425), (725, 676827), (785, 625095), (1305, 376015), (1413, 347275), (1437, 341475), (2175, 225609), (2355, 208365), (2395, 204885), (3925, 125019), (4311, 113825), (4553, 107775), (6525, 75203), (7065, 69455), (7185, 68295), (11775, 41673), (11975, 40977), (13659, 35925), (13891, 35325), (21555, 22765)]