81505130

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{4057}}^1$

素因数の和:4119

約数の個数: 48

約数和(自身を含む): 174867336

約数和(自身を除く): 93362206

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 205, 245, 287, 410, 490, 574, 1435, 2009, 2870, 4018, 4057, 8114, 10045, 20090, 20285, 28399, 40570, 56798, 141995, 166337, 198793, 283990, 332674, 397586, 831685, 993965, 1164359, 1663370, 1987930, 2328718, 5821795, 8150513, 11643590, 16301026, 40752565, 81505130]

約数ペア:

[(1, 81505130), (2, 40752565), (5, 16301026), (7, 11643590), (10, 8150513), (14, 5821795), (35, 2328718), (41, 1987930), (49, 1663370), (70, 1164359), (82, 993965), (98, 831685), (205, 397586), (245, 332674), (287, 283990), (410, 198793), (490, 166337), (574, 141995), (1435, 56798), (2009, 40570), (2870, 28399), (4018, 20285), (4057, 20090), (8114, 10045)]