1390331320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{743}}^1$

素因数の和:965

約数の個数: 128

約数和(自身を含む): 3689763840

約数和(自身を除く): 2299432520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 163, 164, 205, 280, 287, 326, 328, 410, 574, 652, 743, 815, 820, 1141, 1148, 1304, 1435, 1486, 1630, 1640, 2282, 2296, 2870, 2972, 3260, 3715, 4564, 5201, 5705, 5740, 5944, 6520, 6683, 7430, 9128, 10402, 11410, 11480, 13366, 14860, 20804, 22820, 26005, 26732, 29720, 30463, 33415, 41608, 45640, 46781, 52010, 53464, 60926, 66830, 93562, 104020, 121109, 121852, 133660, 152315, 187124, 208040, 213241, 233905, 242218, 243704, 267320, 304630, 374248, 426482, 467810, 484436, 605545, 609260, 847763, 852964, 935620, 968872, 1066205, 1211090, 1218520, 1695526, 1705928, 1871240, 2132410, 2422180, 3391052, 4238815, 4264820, 4844360, 4965469, 6782104, 8477630, 8529640, 9930938, 16955260, 19861876, 24827345, 33910520, 34758283, 39723752, 49654690, 69516566, 99309380, 139033132, 173791415, 198618760, 278066264, 347582830, 695165660, 1390331320]

約数ペア:

[(1, 1390331320), (2, 695165660), (4, 347582830), (5, 278066264), (7, 198618760), (8, 173791415), (10, 139033132), (14, 99309380), (20, 69516566), (28, 49654690), (35, 39723752), (40, 34758283), (41, 33910520), (56, 24827345), (70, 19861876), (82, 16955260), (140, 9930938), (163, 8529640), (164, 8477630), (205, 6782104), (280, 4965469), (287, 4844360), (326, 4264820), (328, 4238815), (410, 3391052), (574, 2422180), (652, 2132410), (743, 1871240), (815, 1705928), (820, 1695526), (1141, 1218520), (1148, 1211090), (1304, 1066205), (1435, 968872), (1486, 935620), (1630, 852964), (1640, 847763), (2282, 609260), (2296, 605545), (2870, 484436), (2972, 467810), (3260, 426482), (3715, 374248), (4564, 304630), (5201, 267320), (5705, 243704), (5740, 242218), (5944, 233905), (6520, 213241), (6683, 208040), (7430, 187124), (9128, 152315), (10402, 133660), (11410, 121852), (11480, 121109), (13366, 104020), (14860, 93562), (20804, 66830), (22820, 60926), (26005, 53464), (26732, 52010), (29720, 46781), (30463, 45640), (33415, 41608)]