28818370

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{571}}^1$

素因数の和:695

約数の個数: 48

約数和(自身を含む): 61034688

約数和(自身を除く): 32216318

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 103, 206, 245, 490, 515, 571, 721, 1030, 1142, 1442, 2855, 3605, 3997, 5047, 5710, 7210, 7994, 10094, 19985, 25235, 27979, 39970, 50470, 55958, 58813, 117626, 139895, 279790, 294065, 411691, 588130, 823382, 2058455, 2881837, 4116910, 5763674, 14409185, 28818370]

約数ペア:

[(1, 28818370), (2, 14409185), (5, 5763674), (7, 4116910), (10, 2881837), (14, 2058455), (35, 823382), (49, 588130), (70, 411691), (98, 294065), (103, 279790), (206, 139895), (245, 117626), (490, 58813), (515, 55958), (571, 50470), (721, 39970), (1030, 27979), (1142, 25235), (1442, 19985), (2855, 10094), (3605, 7994), (3997, 7210), (5047, 5710)]