31481910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{701}}^1$

素因数の和:1213

約数の個数: 48

約数和(自身を含む): 82134000

約数和(自身を除く): 50652090

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 499, 701, 998, 1402, 1497, 2103, 2495, 2994, 3505, 4206, 4491, 4990, 6309, 7010, 7485, 8982, 10515, 12618, 14970, 21030, 22455, 31545, 44910, 63090, 349799, 699598, 1049397, 1748995, 2098794, 3148191, 3497990, 5246985, 6296382, 10493970, 15740955, 31481910]

約数ペア:

[(1, 31481910), (2, 15740955), (3, 10493970), (5, 6296382), (6, 5246985), (9, 3497990), (10, 3148191), (15, 2098794), (18, 1748995), (30, 1049397), (45, 699598), (90, 349799), (499, 63090), (701, 44910), (998, 31545), (1402, 22455), (1497, 21030), (2103, 14970), (2495, 12618), (2994, 10515), (3505, 8982), (4206, 7485), (4491, 7010), (4990, 6309)]