28809220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7703}}^1$

素因数の和:7740

約数の個数: 48

約数和(自身を含む): 69890688

約数和(自身を除く): 41081468

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, 7703, 15406, 30812, 38515, 77030, 84733, 130951, 154060, 169466, 261902, 338932, 423665, 523804, 654755, 847330, 1309510, 1440461, 1694660, 2619020, 2880922, 5761844, 7202305, 14404610, 28809220]

約数ペア:

[(1, 28809220), (2, 14404610), (4, 7202305), (5, 5761844), (10, 2880922), (11, 2619020), (17, 1694660), (20, 1440461), (22, 1309510), (34, 847330), (44, 654755), (55, 523804), (68, 423665), (85, 338932), (110, 261902), (170, 169466), (187, 154060), (220, 130951), (340, 84733), (374, 77030), (748, 38515), (935, 30812), (1870, 15406), (3740, 7703)]