2678910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6869}}^1$

素因数の和:6892

約数の個数: 32

約数和(自身を含む): 6924960

約数和(自身を除く): 4246050

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 6869, 13738, 20607, 34345, 41214, 68690, 89297, 103035, 178594, 206070, 267891, 446485, 535782, 892970, 1339455, 2678910]

約数ペア:

[(1, 2678910), (2, 1339455), (3, 892970), (5, 535782), (6, 446485), (10, 267891), (13, 206070), (15, 178594), (26, 103035), (30, 89297), (39, 68690), (65, 41214), (78, 34345), (130, 20607), (195, 13738), (390, 6869)]