209399260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 518192640

約数和(自身を除く): 308793380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 101, 118, 140, 202, 236, 251, 295, 404, 413, 502, 505, 590, 707, 826, 1004, 1010, 1180, 1255, 1414, 1652, 1757, 2020, 2065, 2510, 2828, 3514, 3535, 4130, 5020, 5959, 7028, 7070, 8260, 8785, 11918, 14140, 14809, 17570, 23836, 25351, 29618, 29795, 35140, 41713, 50702, 59236, 59590, 74045, 83426, 101404, 103663, 119180, 126755, 148090, 166852, 177457, 207326, 208565, 253510, 296180, 354914, 414652, 417130, 507020, 518315, 709828, 834260, 887285, 1036630, 1495709, 1774570, 2073260, 2991418, 3549140, 5982836, 7478545, 10469963, 14957090, 20939926, 29914180, 41879852, 52349815, 104699630, 209399260]

約数ペア:

[(1, 209399260), (2, 104699630), (4, 52349815), (5, 41879852), (7, 29914180), (10, 20939926), (14, 14957090), (20, 10469963), (28, 7478545), (35, 5982836), (59, 3549140), (70, 2991418), (101, 2073260), (118, 1774570), (140, 1495709), (202, 1036630), (236, 887285), (251, 834260), (295, 709828), (404, 518315), (413, 507020), (502, 417130), (505, 414652), (590, 354914), (707, 296180), (826, 253510), (1004, 208565), (1010, 207326), (1180, 177457), (1255, 166852), (1414, 148090), (1652, 126755), (1757, 119180), (2020, 103663), (2065, 101404), (2510, 83426), (2828, 74045), (3514, 59590), (3535, 59236), (4130, 50702), (5020, 41713), (5959, 35140), (7028, 29795), (7070, 29618), (8260, 25351), (8785, 23836), (11918, 17570), (14140, 14809)]