204021860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{19963}}^1$

素因数の和:20052

約数の個数: 48

約数和(自身を含む): 496384896

約数和(自身を除く): 292363036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 19963, 39926, 79852, 99815, 139741, 199630, 279482, 399260, 558964, 698705, 1397410, 1457299, 2794820, 2914598, 5829196, 7286495, 10201093, 14572990, 20402186, 29145980, 40804372, 51005465, 102010930, 204021860]

約数ペア:

[(1, 204021860), (2, 102010930), (4, 51005465), (5, 40804372), (7, 29145980), (10, 20402186), (14, 14572990), (20, 10201093), (28, 7286495), (35, 5829196), (70, 2914598), (73, 2794820), (140, 1457299), (146, 1397410), (292, 698705), (365, 558964), (511, 399260), (730, 279482), (1022, 199630), (1460, 139741), (2044, 99815), (2555, 79852), (5110, 39926), (10220, 19963)]