290499800

素因数分解:

$2^3\times 5^2\times {\mathrm{127}}^1\times {\mathrm{11437}}^1$

素因数の和:11580

約数の個数: 48

約数和(自身を含む): 680789760

約数和(自身を除く): 390289960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 127, 200, 254, 508, 635, 1016, 1270, 2540, 3175, 5080, 6350, 11437, 12700, 22874, 25400, 45748, 57185, 91496, 114370, 228740, 285925, 457480, 571850, 1143700, 1452499, 2287400, 2904998, 5809996, 7262495, 11619992, 14524990, 29049980, 36312475, 58099960, 72624950, 145249900, 290499800]

約数ペア:

[(1, 290499800), (2, 145249900), (4, 72624950), (5, 58099960), (8, 36312475), (10, 29049980), (20, 14524990), (25, 11619992), (40, 7262495), (50, 5809996), (100, 2904998), (127, 2287400), (200, 1452499), (254, 1143700), (508, 571850), (635, 457480), (1016, 285925), (1270, 228740), (2540, 114370), (3175, 91496), (5080, 57185), (6350, 45748), (11437, 25400), (12700, 22874)]