280109628

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{409517}}^1$

素因数の和:409546

約数の個数: 36

約数和(自身を含む): 745322760

約数和(自身を除く): 465213132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 409517, 819034, 1228551, 1638068, 2457102, 3685653, 4914204, 7371306, 7780823, 14742612, 15561646, 23342469, 31123292, 46684938, 70027407, 93369876, 140054814, 280109628]

約数ペア:

[(1, 280109628), (2, 140054814), (3, 93369876), (4, 70027407), (6, 46684938), (9, 31123292), (12, 23342469), (18, 15561646), (19, 14742612), (36, 7780823), (38, 7371306), (57, 4914204), (76, 3685653), (114, 2457102), (171, 1638068), (228, 1228551), (342, 819034), (684, 409517)]