2900290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:246

約数の個数: 32

約数和(自身を含む): 5514480

約数和(自身を除く): 2614190

約数列:

[1, 2, 5, 10, 29, 58, 73, 137, 145, 146, 274, 290, 365, 685, 730, 1370, 2117, 3973, 4234, 7946, 10001, 10585, 19865, 20002, 21170, 39730, 50005, 100010, 290029, 580058, 1450145, 2900290]

約数ペア:

[(1, 2900290), (2, 1450145), (5, 580058), (10, 290029), (29, 100010), (58, 50005), (73, 39730), (137, 21170), (145, 20002), (146, 19865), (274, 10585), (290, 10001), (365, 7946), (685, 4234), (730, 3973), (1370, 2117)]