139178910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{356869}}^1$

素因数の和:356892

約数の個数: 32

約数和(自身を含む): 359724960

約数和(自身を除く): 220546050

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 356869, 713738, 1070607, 1784345, 2141214, 3568690, 4639297, 5353035, 9278594, 10706070, 13917891, 23196485, 27835782, 46392970, 69589455, 139178910]

約数ペア:

[(1, 139178910), (2, 69589455), (3, 46392970), (5, 27835782), (6, 23196485), (10, 13917891), (13, 10706070), (15, 9278594), (26, 5353035), (30, 4639297), (39, 3568690), (65, 2141214), (78, 1784345), (130, 1070607), (195, 713738), (390, 356869)]