290413640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{28697}}^1$

素因数の和:28742

約数の個数: 64

約数和(自身を含む): 743852160

約数和(自身を除く): 453438520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 10120, 28697, 57394, 114788, 143485, 229576, 286970, 315667, 573940, 631334, 660031, 1147880, 1262668, 1320062, 1578335, 2525336, 2640124, 3156670, 3300155, 5280248, 6313340, 6600310, 7260341, 12626680, 13200620, 14520682, 26401240, 29041364, 36301705, 58082728, 72603410, 145206820, 290413640]

約数ペア:

[(1, 290413640), (2, 145206820), (4, 72603410), (5, 58082728), (8, 36301705), (10, 29041364), (11, 26401240), (20, 14520682), (22, 13200620), (23, 12626680), (40, 7260341), (44, 6600310), (46, 6313340), (55, 5280248), (88, 3300155), (92, 3156670), (110, 2640124), (115, 2525336), (184, 1578335), (220, 1320062), (230, 1262668), (253, 1147880), (440, 660031), (460, 631334), (506, 573940), (920, 315667), (1012, 286970), (1265, 229576), (2024, 143485), (2530, 114788), (5060, 57394), (10120, 28697)]