208974840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{40499}}^1$

素因数の和:40556

約数の個数: 64

約数和(自身を含む): 641520000

約数和(自身を除く): 432545160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 40499, 80998, 121497, 161996, 202495, 242994, 323992, 404990, 485988, 607485, 809980, 971976, 1214970, 1619960, 1741457, 2429940, 3482914, 4859880, 5224371, 6965828, 8707285, 10448742, 13931656, 17414570, 20897484, 26121855, 34829140, 41794968, 52243710, 69658280, 104487420, 208974840]

約数ペア:

[(1, 208974840), (2, 104487420), (3, 69658280), (4, 52243710), (5, 41794968), (6, 34829140), (8, 26121855), (10, 20897484), (12, 17414570), (15, 13931656), (20, 10448742), (24, 8707285), (30, 6965828), (40, 5224371), (43, 4859880), (60, 3482914), (86, 2429940), (120, 1741457), (129, 1619960), (172, 1214970), (215, 971976), (258, 809980), (344, 607485), (430, 485988), (516, 404990), (645, 323992), (860, 242994), (1032, 202495), (1290, 161996), (1720, 121497), (2580, 80998), (5160, 40499)]