231506840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{134597}}^1$

素因数の和:134651

約数の個数: 32

約数和(自身を含む): 533008080

約数和(自身を除く): 301501240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 134597, 269194, 538388, 672985, 1076776, 1345970, 2691940, 5383880, 5787671, 11575342, 23150684, 28938355, 46301368, 57876710, 115753420, 231506840]

約数ペア:

[(1, 231506840), (2, 115753420), (4, 57876710), (5, 46301368), (8, 28938355), (10, 23150684), (20, 11575342), (40, 5787671), (43, 5383880), (86, 2691940), (172, 1345970), (215, 1076776), (344, 672985), (430, 538388), (860, 269194), (1720, 134597)]