280531566220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13411}}^1\times {\mathrm{14731}}^1$

素因数の和:28222

約数の個数: 48

約数和(自身を含む): 597498806016

約数和(自身を除く): 316967239796

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 13411, 14731, 26822, 29462, 53644, 58924, 67055, 73655, 134110, 147310, 268220, 294620, 952181, 1045901, 1904362, 2091802, 3808724, 4183604, 4760905, 5229505, 9521810, 10459010, 19043620, 20918020, 197557441, 395114882, 790229764, 987787205, 1975574410, 3951148820, 14026578311, 28053156622, 56106313244, 70132891555, 140265783110, 280531566220]

約数ペア:

[(1, 280531566220), (2, 140265783110), (4, 70132891555), (5, 56106313244), (10, 28053156622), (20, 14026578311), (71, 3951148820), (142, 1975574410), (284, 987787205), (355, 790229764), (710, 395114882), (1420, 197557441), (13411, 20918020), (14731, 19043620), (26822, 10459010), (29462, 9521810), (53644, 5229505), (58924, 4760905), (67055, 4183604), (73655, 3808724), (134110, 2091802), (147310, 1904362), (268220, 1045901), (294620, 952181)]