427335920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{485609}}^1$

素因数の和:485633

約数の個数: 40

約数和(自身を含む): 1083881520

約数和(自身を除く): 656545600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 485609, 971218, 1942436, 2428045, 3884872, 4856090, 5341699, 7769744, 9712180, 10683398, 19424360, 21366796, 26708495, 38848720, 42733592, 53416990, 85467184, 106833980, 213667960, 427335920]

約数ペア:

[(1, 427335920), (2, 213667960), (4, 106833980), (5, 85467184), (8, 53416990), (10, 42733592), (11, 38848720), (16, 26708495), (20, 21366796), (22, 19424360), (40, 10683398), (44, 9712180), (55, 7769744), (80, 5341699), (88, 4856090), (110, 3884872), (176, 2428045), (220, 1942436), (440, 971218), (880, 485609)]