89130020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{883}}^1$

素因数の和:1009

約数の個数: 72

約数和(自身を含む): 220094784

約数和(自身を除く): 130964764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 103, 140, 196, 206, 245, 412, 490, 515, 721, 883, 980, 1030, 1442, 1766, 2060, 2884, 3532, 3605, 4415, 5047, 6181, 7210, 8830, 10094, 12362, 14420, 17660, 20188, 24724, 25235, 30905, 43267, 50470, 61810, 86534, 90949, 100940, 123620, 173068, 181898, 216335, 363796, 432670, 454745, 636643, 865340, 909490, 1273286, 1818980, 2546572, 3183215, 4456501, 6366430, 8913002, 12732860, 17826004, 22282505, 44565010, 89130020]

約数ペア:

[(1, 89130020), (2, 44565010), (4, 22282505), (5, 17826004), (7, 12732860), (10, 8913002), (14, 6366430), (20, 4456501), (28, 3183215), (35, 2546572), (49, 1818980), (70, 1273286), (98, 909490), (103, 865340), (140, 636643), (196, 454745), (206, 432670), (245, 363796), (412, 216335), (490, 181898), (515, 173068), (721, 123620), (883, 100940), (980, 90949), (1030, 86534), (1442, 61810), (1766, 50470), (2060, 43267), (2884, 30905), (3532, 25235), (3605, 24724), (4415, 20188), (5047, 17660), (6181, 14420), (7210, 12362), (8830, 10094)]