2891020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{773}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 7021728

約数和(自身を除く): 4130708

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 773, 935, 1546, 1870, 3092, 3740, 3865, 7730, 8503, 13141, 15460, 17006, 26282, 34012, 42515, 52564, 65705, 85030, 131410, 144551, 170060, 262820, 289102, 578204, 722755, 1445510, 2891020]

約数ペア:

[(1, 2891020), (2, 1445510), (4, 722755), (5, 578204), (10, 289102), (11, 262820), (17, 170060), (20, 144551), (22, 131410), (34, 85030), (44, 65705), (55, 52564), (68, 42515), (85, 34012), (110, 26282), (170, 17006), (187, 15460), (220, 13141), (340, 8503), (374, 7730), (748, 3865), (773, 3740), (935, 3092), (1546, 1870)]