1721550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:537

約数の個数: 48

約数和(自身を含む): 4464000

約数和(自身を除く): 2742450

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 69, 75, 115, 138, 150, 230, 345, 499, 575, 690, 998, 1150, 1497, 1725, 2495, 2994, 3450, 4990, 7485, 11477, 12475, 14970, 22954, 24950, 34431, 37425, 57385, 68862, 74850, 114770, 172155, 286925, 344310, 573850, 860775, 1721550]

約数ペア:

[(1, 1721550), (2, 860775), (3, 573850), (5, 344310), (6, 286925), (10, 172155), (15, 114770), (23, 74850), (25, 68862), (30, 57385), (46, 37425), (50, 34431), (69, 24950), (75, 22954), (115, 14970), (138, 12475), (150, 11477), (230, 7485), (345, 4990), (499, 3450), (575, 2994), (690, 2495), (998, 1725), (1150, 1497)]