28884020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7723}}^1$

素因数の和:7760

約数の個数: 48

約数和(自身を含む): 70072128

約数和(自身を除く): 41188108

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 7723, 15446, 30892, 38615, 77230, 84953, 131291, 154460, 169906, 262582, 339812, 424765, 525164, 656455, 849530, 1312910, 1444201, 1699060, 2625820, 2888402, 5776804, 7221005, 14442010, 28884020]

約数ペア:

[(1, 28884020), (2, 14442010), (4, 7221005), (5, 5776804), (10, 2888402), (11, 2625820), (17, 1699060), (20, 1444201), (22, 1312910), (34, 849530), (44, 656455), (55, 525164), (68, 424765), (85, 339812), (110, 262582), (170, 169906), (187, 154460), (220, 131291), (340, 84953), (374, 77230), (748, 38615), (935, 30892), (1870, 15446), (3740, 7723)]