207720730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3323}}^1$

素因数の和:3403

約数の個数: 64

約数和(自身を含む): 459509760

約数和(自身を除く): 251789030

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 47, 70, 94, 95, 133, 190, 235, 266, 329, 470, 658, 665, 893, 1330, 1645, 1786, 3290, 3323, 4465, 6251, 6646, 8930, 12502, 16615, 23261, 31255, 33230, 46522, 62510, 63137, 116305, 126274, 156181, 232610, 312362, 315685, 441959, 631370, 780905, 883918, 1093267, 1561810, 2186534, 2209795, 2967439, 4419590, 5466335, 5934878, 10932670, 14837195, 20772073, 29674390, 41544146, 103860365, 207720730]

約数ペア:

[(1, 207720730), (2, 103860365), (5, 41544146), (7, 29674390), (10, 20772073), (14, 14837195), (19, 10932670), (35, 5934878), (38, 5466335), (47, 4419590), (70, 2967439), (94, 2209795), (95, 2186534), (133, 1561810), (190, 1093267), (235, 883918), (266, 780905), (329, 631370), (470, 441959), (658, 315685), (665, 312362), (893, 232610), (1330, 156181), (1645, 126274), (1786, 116305), (3290, 63137), (3323, 62510), (4465, 46522), (6251, 33230), (6646, 31255), (8930, 23261), (12502, 16615)]