397142720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{95467}}^1$

素因数の和:95497

約数の個数: 56

約数和(自身を含む): 1018452624

約数和(自身を除く): 621309904

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 95467, 190934, 381868, 477335, 763736, 954670, 1241071, 1527472, 1909340, 2482142, 3054944, 3818680, 4964284, 6109888, 6205355, 7637360, 9928568, 12410710, 15274720, 19857136, 24821420, 30549440, 39714272, 49642840, 79428544, 99285680, 198571360, 397142720]

約数ペア:

[(1, 397142720), (2, 198571360), (4, 99285680), (5, 79428544), (8, 49642840), (10, 39714272), (13, 30549440), (16, 24821420), (20, 19857136), (26, 15274720), (32, 12410710), (40, 9928568), (52, 7637360), (64, 6205355), (65, 6109888), (80, 4964284), (104, 3818680), (130, 3054944), (160, 2482142), (208, 1909340), (260, 1527472), (320, 1241071), (416, 954670), (520, 763736), (832, 477335), (1040, 381868), (2080, 190934), (4160, 95467)]