28394420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3631}}^1$

素因数の和:3680

約数の個数: 48

約数和(自身を含む): 65899008

約数和(自身を除く): 37504588

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3631, 3910, 7262, 7820, 14524, 18155, 36310, 61727, 72620, 83513, 123454, 167026, 246908, 308635, 334052, 417565, 617270, 835130, 1234540, 1419721, 1670260, 2839442, 5678884, 7098605, 14197210, 28394420]

約数ペア:

[(1, 28394420), (2, 14197210), (4, 7098605), (5, 5678884), (10, 2839442), (17, 1670260), (20, 1419721), (23, 1234540), (34, 835130), (46, 617270), (68, 417565), (85, 334052), (92, 308635), (115, 246908), (170, 167026), (230, 123454), (340, 83513), (391, 72620), (460, 61727), (782, 36310), (1564, 18155), (1955, 14524), (3631, 7820), (3910, 7262)]