254533870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1231}}^1$

素因数の和:1321

約数の個数: 64

約数和(自身を含む): 510935040

約数和(自身を除く): 256401170

約数列:

[1, 2, 5, 10, 23, 29, 31, 46, 58, 62, 115, 145, 155, 230, 290, 310, 667, 713, 899, 1231, 1334, 1426, 1798, 2462, 3335, 3565, 4495, 6155, 6670, 7130, 8990, 12310, 20677, 28313, 35699, 38161, 41354, 56626, 71398, 76322, 103385, 141565, 178495, 190805, 206770, 283130, 356990, 381610, 821077, 877703, 1106669, 1642154, 1755406, 2213338, 4105385, 4388515, 5533345, 8210770, 8777030, 11066690, 25453387, 50906774, 127266935, 254533870]

約数ペア:

[(1, 254533870), (2, 127266935), (5, 50906774), (10, 25453387), (23, 11066690), (29, 8777030), (31, 8210770), (46, 5533345), (58, 4388515), (62, 4105385), (115, 2213338), (145, 1755406), (155, 1642154), (230, 1106669), (290, 877703), (310, 821077), (667, 381610), (713, 356990), (899, 283130), (1231, 206770), (1334, 190805), (1426, 178495), (1798, 141565), (2462, 103385), (3335, 76322), (3565, 71398), (4495, 56626), (6155, 41354), (6670, 38161), (7130, 35699), (8990, 28313), (12310, 20677)]