208040940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{385261}}^1$

素因数の和:385279

約数の個数: 48

約数和(自身を含む): 647240160

約数和(自身を除く): 439199220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 385261, 770522, 1155783, 1541044, 1926305, 2311566, 3467349, 3852610, 4623132, 5778915, 6934698, 7705220, 10402047, 11557830, 13869396, 17336745, 20804094, 23115660, 34673490, 41608188, 52010235, 69346980, 104020470, 208040940]

約数ペア:

[(1, 208040940), (2, 104020470), (3, 69346980), (4, 52010235), (5, 41608188), (6, 34673490), (9, 23115660), (10, 20804094), (12, 17336745), (15, 13869396), (18, 11557830), (20, 10402047), (27, 7705220), (30, 6934698), (36, 5778915), (45, 4623132), (54, 3852610), (60, 3467349), (90, 2311566), (108, 1926305), (135, 1541044), (180, 1155783), (270, 770522), (540, 385261)]