398593840

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{467}}^1$

素因数の和:754

約数の個数: 80

約数和(自身を含む): 952653312

約数和(自身を除く): 554059472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 227, 235, 376, 454, 467, 470, 752, 908, 934, 940, 1135, 1816, 1868, 1880, 2270, 2335, 3632, 3736, 3760, 4540, 4670, 7472, 9080, 9340, 10669, 18160, 18680, 21338, 21949, 37360, 42676, 43898, 53345, 85352, 87796, 106009, 106690, 109745, 170704, 175592, 212018, 213380, 219490, 351184, 424036, 426760, 438980, 530045, 848072, 853520, 877960, 1060090, 1696144, 1755920, 2120180, 4240360, 4982423, 8480720, 9964846, 19929692, 24912115, 39859384, 49824230, 79718768, 99648460, 199296920, 398593840]

約数ペア:

[(1, 398593840), (2, 199296920), (4, 99648460), (5, 79718768), (8, 49824230), (10, 39859384), (16, 24912115), (20, 19929692), (40, 9964846), (47, 8480720), (80, 4982423), (94, 4240360), (188, 2120180), (227, 1755920), (235, 1696144), (376, 1060090), (454, 877960), (467, 853520), (470, 848072), (752, 530045), (908, 438980), (934, 426760), (940, 424036), (1135, 351184), (1816, 219490), (1868, 213380), (1880, 212018), (2270, 175592), (2335, 170704), (3632, 109745), (3736, 106690), (3760, 106009), (4540, 87796), (4670, 85352), (7472, 53345), (9080, 43898), (9340, 42676), (10669, 37360), (18160, 21949), (18680, 21338)]