2190890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{887}}^1$

素因数の和:926

約数の個数: 32

約数和(自身を含む): 4475520

約数和(自身を除く): 2284630

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 887, 1235, 1774, 2470, 4435, 8870, 11531, 16853, 23062, 33706, 57655, 84265, 115310, 168530, 219089, 438178, 1095445, 2190890]

約数ペア:

[(1, 2190890), (2, 1095445), (5, 438178), (10, 219089), (13, 168530), (19, 115310), (26, 84265), (38, 57655), (65, 33706), (95, 23062), (130, 16853), (190, 11531), (247, 8870), (494, 4435), (887, 2470), (1235, 1774)]