239899472

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{617}}^1\times {\mathrm{1279}}^1$

素因数の和:1923

約数の個数: 40

約数和(自身を含む): 490444800

約数和(自身を除く): 250545328

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 617, 1234, 1279, 2468, 2558, 4936, 5116, 9872, 10232, 11723, 20464, 23446, 24301, 46892, 48602, 93784, 97204, 187568, 194408, 388816, 789143, 1578286, 3156572, 6313144, 12626288, 14993717, 29987434, 59974868, 119949736, 239899472]

約数ペア:

[(1, 239899472), (2, 119949736), (4, 59974868), (8, 29987434), (16, 14993717), (19, 12626288), (38, 6313144), (76, 3156572), (152, 1578286), (304, 789143), (617, 388816), (1234, 194408), (1279, 187568), (2468, 97204), (2558, 93784), (4936, 48602), (5116, 46892), (9872, 24301), (10232, 23446), (11723, 20464)]