90994040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1787}}^1$

素因数の和:1884

約数の個数: 64

約数和(自身を含む): 218851200

約数和(自身を除く): 127857160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 67, 76, 95, 134, 152, 190, 268, 335, 380, 536, 670, 760, 1273, 1340, 1787, 2546, 2680, 3574, 5092, 6365, 7148, 8935, 10184, 12730, 14296, 17870, 25460, 33953, 35740, 50920, 67906, 71480, 119729, 135812, 169765, 239458, 271624, 339530, 478916, 598645, 679060, 957832, 1197290, 1358120, 2274851, 2394580, 4549702, 4789160, 9099404, 11374255, 18198808, 22748510, 45497020, 90994040]

約数ペア:

[(1, 90994040), (2, 45497020), (4, 22748510), (5, 18198808), (8, 11374255), (10, 9099404), (19, 4789160), (20, 4549702), (38, 2394580), (40, 2274851), (67, 1358120), (76, 1197290), (95, 957832), (134, 679060), (152, 598645), (190, 478916), (268, 339530), (335, 271624), (380, 239458), (536, 169765), (670, 135812), (760, 119729), (1273, 71480), (1340, 67906), (1787, 50920), (2546, 35740), (2680, 33953), (3574, 25460), (5092, 17870), (6365, 14296), (7148, 12730), (8935, 10184)]