1992990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2143}}^1$

素因数の和:2184

約数の個数: 32

約数和(自身を含む): 4939776

約数和(自身を除く): 2946786

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 2143, 4286, 6429, 10715, 12858, 21430, 32145, 64290, 66433, 132866, 199299, 332165, 398598, 664330, 996495, 1992990]

約数ペア:

[(1, 1992990), (2, 996495), (3, 664330), (5, 398598), (6, 332165), (10, 199299), (15, 132866), (30, 66433), (31, 64290), (62, 32145), (93, 21430), (155, 12858), (186, 10715), (310, 6429), (465, 4286), (930, 2143)]