2870725

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:118

約数の個数: 36

約数和(自身を含む): 4271428

約数和(自身を除く): 1400703

約数列:

[1, 5, 11, 13, 25, 55, 65, 73, 121, 143, 275, 325, 365, 605, 715, 803, 949, 1573, 1825, 3025, 3575, 4015, 4745, 7865, 8833, 10439, 20075, 23725, 39325, 44165, 52195, 114829, 220825, 260975, 574145, 2870725]

約数ペア:

[(1, 2870725), (5, 574145), (11, 260975), (13, 220825), (25, 114829), (55, 52195), (65, 44165), (73, 39325), (121, 23725), (143, 20075), (275, 10439), (325, 8833), (365, 7865), (605, 4745), (715, 4015), (803, 3575), (949, 3025), (1573, 1825)]