28229140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{509}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 61689600

約数和(自身を除く): 33460460

約数列:

[1, 2, 4, 5, 10, 20, 47, 59, 94, 118, 188, 235, 236, 295, 470, 509, 590, 940, 1018, 1180, 2036, 2545, 2773, 5090, 5546, 10180, 11092, 13865, 23923, 27730, 30031, 47846, 55460, 60062, 95692, 119615, 120124, 150155, 239230, 300310, 478460, 600620, 1411457, 2822914, 5645828, 7057285, 14114570, 28229140]

約数ペア:

[(1, 28229140), (2, 14114570), (4, 7057285), (5, 5645828), (10, 2822914), (20, 1411457), (47, 600620), (59, 478460), (94, 300310), (118, 239230), (188, 150155), (235, 120124), (236, 119615), (295, 95692), (470, 60062), (509, 55460), (590, 47846), (940, 30031), (1018, 27730), (1180, 23923), (2036, 13865), (2545, 11092), (2773, 10180), (5090, 5546)]