1831330220

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1\times {\mathrm{1709}}^1$

素因数の和:2258

約数の個数: 48

約数和(自身を含む): 3886898400

約数和(自身を除く): 2055568180

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 409, 524, 655, 818, 1310, 1636, 1709, 2045, 2620, 3418, 4090, 6836, 8180, 8545, 17090, 34180, 53579, 107158, 214316, 223879, 267895, 447758, 535790, 698981, 895516, 1071580, 1119395, 1397962, 2238790, 2795924, 3494905, 4477580, 6989810, 13979620, 91566511, 183133022, 366266044, 457832555, 915665110, 1831330220]

約数ペア:

[(1, 1831330220), (2, 915665110), (4, 457832555), (5, 366266044), (10, 183133022), (20, 91566511), (131, 13979620), (262, 6989810), (409, 4477580), (524, 3494905), (655, 2795924), (818, 2238790), (1310, 1397962), (1636, 1119395), (1709, 1071580), (2045, 895516), (2620, 698981), (3418, 535790), (4090, 447758), (6836, 267895), (8180, 223879), (8545, 214316), (17090, 107158), (34180, 53579)]