28177270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:142

約数の個数: 64

約数和(自身を含む): 58501440

約数和(自身を除く): 30324170

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 73, 110, 121, 145, 146, 242, 290, 319, 365, 605, 638, 730, 803, 1210, 1331, 1595, 1606, 2117, 2662, 3190, 3509, 4015, 4234, 6655, 7018, 8030, 8833, 10585, 13310, 17545, 17666, 21170, 23287, 35090, 38599, 44165, 46574, 77198, 88330, 97163, 116435, 192995, 194326, 232870, 256157, 385990, 485815, 512314, 971630, 1280785, 2561570, 2817727, 5635454, 14088635, 28177270]

約数ペア:

[(1, 28177270), (2, 14088635), (5, 5635454), (10, 2817727), (11, 2561570), (22, 1280785), (29, 971630), (55, 512314), (58, 485815), (73, 385990), (110, 256157), (121, 232870), (145, 194326), (146, 192995), (242, 116435), (290, 97163), (319, 88330), (365, 77198), (605, 46574), (638, 44165), (730, 38599), (803, 35090), (1210, 23287), (1331, 21170), (1595, 17666), (1606, 17545), (2117, 13310), (2662, 10585), (3190, 8833), (3509, 8030), (4015, 7018), (4234, 6655)]