28419580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11941}}^1$

素因数の和:11974

約数の個数: 48

約数和(自身を含む): 72225216

約数和(自身を除く): 43805636

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 11941, 23882, 47764, 59705, 83587, 119410, 167174, 202997, 238820, 334348, 405994, 417935, 811988, 835870, 1014985, 1420979, 1671740, 2029970, 2841958, 4059940, 5683916, 7104895, 14209790, 28419580]

約数ペア:

[(1, 28419580), (2, 14209790), (4, 7104895), (5, 5683916), (7, 4059940), (10, 2841958), (14, 2029970), (17, 1671740), (20, 1420979), (28, 1014985), (34, 835870), (35, 811988), (68, 417935), (70, 405994), (85, 334348), (119, 238820), (140, 202997), (170, 167174), (238, 119410), (340, 83587), (476, 59705), (595, 47764), (1190, 23882), (2380, 11941)]