202109260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{479}}^1$

素因数の和:595

約数の個数: 72

約数和(自身を含む): 457994880

約数和(自身を除く): 255885620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 146, 170, 289, 292, 340, 365, 479, 578, 730, 958, 1156, 1241, 1445, 1460, 1916, 2395, 2482, 2890, 4790, 4964, 5780, 6205, 8143, 9580, 12410, 16286, 21097, 24820, 32572, 34967, 40715, 42194, 69934, 81430, 84388, 105485, 138431, 139868, 162860, 174835, 210970, 276862, 349670, 421940, 553724, 594439, 692155, 699340, 1188878, 1384310, 2377756, 2768620, 2972195, 5944390, 10105463, 11888780, 20210926, 40421852, 50527315, 101054630, 202109260]

約数ペア:

[(1, 202109260), (2, 101054630), (4, 50527315), (5, 40421852), (10, 20210926), (17, 11888780), (20, 10105463), (34, 5944390), (68, 2972195), (73, 2768620), (85, 2377756), (146, 1384310), (170, 1188878), (289, 699340), (292, 692155), (340, 594439), (365, 553724), (479, 421940), (578, 349670), (730, 276862), (958, 210970), (1156, 174835), (1241, 162860), (1445, 139868), (1460, 138431), (1916, 105485), (2395, 84388), (2482, 81430), (2890, 69934), (4790, 42194), (4964, 40715), (5780, 34967), (6205, 32572), (8143, 24820), (9580, 21097), (12410, 16286)]