290629020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{440347}}^1$

素因数の和:440370

約数の個数: 48

約数和(自身を含む): 887741568

約数和(自身を除く): 597112548

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 440347, 880694, 1321041, 1761388, 2201735, 2642082, 4403470, 4843817, 5284164, 6605205, 8806940, 9687634, 13210410, 14531451, 19375268, 24219085, 26420820, 29062902, 48438170, 58125804, 72657255, 96876340, 145314510, 290629020]

約数ペア:

[(1, 290629020), (2, 145314510), (3, 96876340), (4, 72657255), (5, 58125804), (6, 48438170), (10, 29062902), (11, 26420820), (12, 24219085), (15, 19375268), (20, 14531451), (22, 13210410), (30, 9687634), (33, 8806940), (44, 6605205), (55, 5284164), (60, 4843817), (66, 4403470), (110, 2642082), (132, 2201735), (165, 1761388), (220, 1321041), (330, 880694), (660, 440347)]