28090930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21121}}^1$

素因数の和:21154

約数の個数: 32

約数和(自身を含む): 60831360

約数和(自身を除く): 32740430

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 21121, 42242, 105605, 147847, 211210, 295694, 401299, 739235, 802598, 1478470, 2006495, 2809093, 4012990, 5618186, 14045465, 28090930]

約数ペア:

[(1, 28090930), (2, 14045465), (5, 5618186), (7, 4012990), (10, 2809093), (14, 2006495), (19, 1478470), (35, 802598), (38, 739235), (70, 401299), (95, 295694), (133, 211210), (190, 147847), (266, 105605), (665, 42242), (1330, 21121)]