2155930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1621}}^1$

素因数の和:1654

約数の個数: 32

約数和(自身を含む): 4671360

約数和(自身を除く): 2515430

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 1621, 3242, 8105, 11347, 16210, 22694, 30799, 56735, 61598, 113470, 153995, 215593, 307990, 431186, 1077965, 2155930]

約数ペア:

[(1, 2155930), (2, 1077965), (5, 431186), (7, 307990), (10, 215593), (14, 153995), (19, 113470), (35, 61598), (38, 56735), (70, 30799), (95, 22694), (133, 16210), (190, 11347), (266, 8105), (665, 3242), (1330, 1621)]