215112110

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{12721}}^1$

素因数の和:12836

約数の個数: 32

約数和(自身を含む): 412192800

約数和(自身を除く): 197080690

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 445, 890, 1691, 3382, 8455, 12721, 16910, 25442, 63605, 127210, 241699, 483398, 1132169, 1208495, 2264338, 2416990, 5660845, 11321690, 21511211, 43022422, 107556055, 215112110]

約数ペア:

[(1, 215112110), (2, 107556055), (5, 43022422), (10, 21511211), (19, 11321690), (38, 5660845), (89, 2416990), (95, 2264338), (178, 1208495), (190, 1132169), (445, 483398), (890, 241699), (1691, 127210), (3382, 63605), (8455, 25442), (12721, 16910)]