217415440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{2309}}^1$

素因数の和:2440

約数の個数: 80

約数和(自身を含む): 556839360

約数和(自身を除く): 339423920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 107, 110, 176, 214, 220, 428, 440, 535, 856, 880, 1070, 1177, 1712, 2140, 2309, 2354, 4280, 4618, 4708, 5885, 8560, 9236, 9416, 11545, 11770, 18472, 18832, 23090, 23540, 25399, 36944, 46180, 47080, 50798, 92360, 94160, 101596, 126995, 184720, 203192, 247063, 253990, 406384, 494126, 507980, 988252, 1015960, 1235315, 1976504, 2031920, 2470630, 2717693, 3953008, 4941260, 5435386, 9882520, 10870772, 13588465, 19765040, 21741544, 27176930, 43483088, 54353860, 108707720, 217415440]

約数ペア:

[(1, 217415440), (2, 108707720), (4, 54353860), (5, 43483088), (8, 27176930), (10, 21741544), (11, 19765040), (16, 13588465), (20, 10870772), (22, 9882520), (40, 5435386), (44, 4941260), (55, 3953008), (80, 2717693), (88, 2470630), (107, 2031920), (110, 1976504), (176, 1235315), (214, 1015960), (220, 988252), (428, 507980), (440, 494126), (535, 406384), (856, 253990), (880, 247063), (1070, 203192), (1177, 184720), (1712, 126995), (2140, 101596), (2309, 94160), (2354, 92360), (4280, 50798), (4618, 47080), (4708, 46180), (5885, 36944), (8560, 25399), (9236, 23540), (9416, 23090), (11545, 18832), (11770, 18472)]