840476130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2155067}}^1$

素因数の和:2155090

約数の個数: 32

約数和(自身を含む): 2172308544

約数和(自身を除く): 1331832414

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 2155067, 4310134, 6465201, 10775335, 12930402, 21550670, 28015871, 32326005, 56031742, 64652010, 84047613, 140079355, 168095226, 280158710, 420238065, 840476130]

約数ペア:

[(1, 840476130), (2, 420238065), (3, 280158710), (5, 168095226), (6, 140079355), (10, 84047613), (13, 64652010), (15, 56031742), (26, 32326005), (30, 28015871), (39, 21550670), (65, 12930402), (78, 10775335), (130, 6465201), (195, 4310134), (390, 2155067)]