74907420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{178351}}^1$

素因数の和:178370

約数の個数: 48

約数和(自身を含む): 239705088

約数和(自身を除く): 164797668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 178351, 356702, 535053, 713404, 891755, 1070106, 1248457, 1783510, 2140212, 2496914, 2675265, 3567020, 3745371, 4993828, 5350530, 6242285, 7490742, 10701060, 12484570, 14981484, 18726855, 24969140, 37453710, 74907420]

約数ペア:

[(1, 74907420), (2, 37453710), (3, 24969140), (4, 18726855), (5, 14981484), (6, 12484570), (7, 10701060), (10, 7490742), (12, 6242285), (14, 5350530), (15, 4993828), (20, 3745371), (21, 3567020), (28, 2675265), (30, 2496914), (35, 2140212), (42, 1783510), (60, 1248457), (70, 1070106), (84, 891755), (105, 713404), (140, 535053), (210, 356702), (420, 178351)]