229899890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1213}}^1\times {\mathrm{1723}}^1$

素因数の和:2954

約数の個数: 32

約数和(自身を含む): 452074176

約数和(自身を除く): 222174286

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1213, 1723, 2426, 3446, 6065, 8615, 12130, 13343, 17230, 18953, 26686, 37906, 66715, 94765, 133430, 189530, 2089999, 4179998, 10449995, 20899990, 22989989, 45979978, 114949945, 229899890]

約数ペア:

[(1, 229899890), (2, 114949945), (5, 45979978), (10, 22989989), (11, 20899990), (22, 10449995), (55, 4179998), (110, 2089999), (1213, 189530), (1723, 133430), (2426, 94765), (3446, 66715), (6065, 37906), (8615, 26686), (12130, 18953), (13343, 17230)]