28360730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2447}}^1$

素因数の和:2534

約数の個数: 32

約数和(自身を含む): 54639360

約数和(自身を除く): 26278630

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 610, 1159, 2318, 2447, 4894, 5795, 11590, 12235, 24470, 46493, 92986, 149267, 232465, 298534, 464930, 746335, 1492670, 2836073, 5672146, 14180365, 28360730]

約数ペア:

[(1, 28360730), (2, 14180365), (5, 5672146), (10, 2836073), (19, 1492670), (38, 746335), (61, 464930), (95, 298534), (122, 232465), (190, 149267), (305, 92986), (610, 46493), (1159, 24470), (2318, 12235), (2447, 11590), (4894, 5795)]