201213890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1$

素因数の和:467

約数の個数: 64

約数和(自身を含む): 396264960

約数和(自身を除く): 195051070

約数列:

[1, 2, 5, 10, 23, 29, 46, 58, 97, 115, 145, 194, 230, 290, 311, 485, 622, 667, 970, 1334, 1555, 2231, 2813, 3110, 3335, 4462, 5626, 6670, 7153, 9019, 11155, 14065, 14306, 18038, 22310, 28130, 30167, 35765, 45095, 60334, 64699, 71530, 90190, 129398, 150835, 207437, 301670, 323495, 414874, 646990, 693841, 874843, 1037185, 1387682, 1749686, 2074370, 3469205, 4374215, 6938410, 8748430, 20121389, 40242778, 100606945, 201213890]

約数ペア:

[(1, 201213890), (2, 100606945), (5, 40242778), (10, 20121389), (23, 8748430), (29, 6938410), (46, 4374215), (58, 3469205), (97, 2074370), (115, 1749686), (145, 1387682), (194, 1037185), (230, 874843), (290, 693841), (311, 646990), (485, 414874), (622, 323495), (667, 301670), (970, 207437), (1334, 150835), (1555, 129398), (2231, 90190), (2813, 71530), (3110, 64699), (3335, 60334), (4462, 45095), (5626, 35765), (6670, 30167), (7153, 28130), (9019, 22310), (11155, 18038), (14065, 14306)]