49909980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1667}}^1$

素因数の和:2178

約数の個数: 48

約数和(自身を含む): 140112000

約数和(自身を除く): 90202020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 499, 998, 1497, 1667, 1996, 2495, 2994, 3334, 4990, 5001, 5988, 6668, 7485, 8335, 9980, 10002, 14970, 16670, 20004, 25005, 29940, 33340, 50010, 100020, 831833, 1663666, 2495499, 3327332, 4159165, 4990998, 8318330, 9981996, 12477495, 16636660, 24954990, 49909980]

約数ペア:

[(1, 49909980), (2, 24954990), (3, 16636660), (4, 12477495), (5, 9981996), (6, 8318330), (10, 4990998), (12, 4159165), (15, 3327332), (20, 2495499), (30, 1663666), (60, 831833), (499, 100020), (998, 50010), (1497, 33340), (1667, 29940), (1996, 25005), (2495, 20004), (2994, 16670), (3334, 14970), (4990, 10002), (5001, 9980), (5988, 8335), (6668, 7485)]