212805605375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{26183}}^1$

素因数の和:26489

約数の個数: 64

約数和(自身を含む): 303509846016

約数和(自身を除く): 90704240641

約数列:

[1, 5, 11, 23, 25, 55, 115, 125, 253, 257, 275, 575, 1265, 1285, 1375, 2827, 2875, 5911, 6325, 6425, 14135, 26183, 29555, 31625, 32125, 65021, 70675, 130915, 147775, 288013, 325105, 353375, 602209, 654575, 738875, 1440065, 1625525, 3011045, 3272875, 6624299, 6729031, 7200325, 8127625, 15055225, 33121495, 33645155, 36001625, 74019341, 75276125, 154767713, 165607475, 168225775, 370096705, 773838565, 828037375, 841128875, 1702444843, 1850483525, 3869192825, 8512224215, 9252417625, 19345964125, 42561121075, 212805605375]

約数ペア:

[(1, 212805605375), (5, 42561121075), (11, 19345964125), (23, 9252417625), (25, 8512224215), (55, 3869192825), (115, 1850483525), (125, 1702444843), (253, 841128875), (257, 828037375), (275, 773838565), (575, 370096705), (1265, 168225775), (1285, 165607475), (1375, 154767713), (2827, 75276125), (2875, 74019341), (5911, 36001625), (6325, 33645155), (6425, 33121495), (14135, 15055225), (26183, 8127625), (29555, 7200325), (31625, 6729031), (32125, 6624299), (65021, 3272875), (70675, 3011045), (130915, 1625525), (147775, 1440065), (288013, 738875), (325105, 654575), (353375, 602209)]