280346710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2087}}^1$

素因数の和:2221

約数の個数: 64

約数和(自身を含む): 613370880

約数和(自身を除く): 333024170

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 101, 133, 190, 202, 266, 505, 665, 707, 1010, 1330, 1414, 1919, 2087, 3535, 3838, 4174, 7070, 9595, 10435, 13433, 14609, 19190, 20870, 26866, 29218, 39653, 67165, 73045, 79306, 134330, 146090, 198265, 210787, 277571, 396530, 421574, 555142, 1053935, 1387855, 1475509, 2107870, 2775710, 2951018, 4004953, 7377545, 8009906, 14755090, 20024765, 28034671, 40049530, 56069342, 140173355, 280346710]

約数ペア:

[(1, 280346710), (2, 140173355), (5, 56069342), (7, 40049530), (10, 28034671), (14, 20024765), (19, 14755090), (35, 8009906), (38, 7377545), (70, 4004953), (95, 2951018), (101, 2775710), (133, 2107870), (190, 1475509), (202, 1387855), (266, 1053935), (505, 555142), (665, 421574), (707, 396530), (1010, 277571), (1330, 210787), (1414, 198265), (1919, 146090), (2087, 134330), (3535, 79306), (3838, 73045), (4174, 67165), (7070, 39653), (9595, 29218), (10435, 26866), (13433, 20870), (14609, 19190)]