291205850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:264

約数の個数: 96

約数和(自身を含む): 607461120

約数和(自身を除く): 316255270

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 79, 106, 107, 130, 158, 214, 265, 325, 395, 530, 535, 650, 689, 790, 1027, 1070, 1325, 1378, 1391, 1975, 2054, 2650, 2675, 2782, 3445, 3950, 4187, 5135, 5350, 5671, 6890, 6955, 8374, 8453, 10270, 11342, 13910, 16906, 17225, 20935, 25675, 28355, 34450, 34775, 41870, 42265, 51350, 54431, 56710, 69550, 73723, 84530, 104675, 108862, 109889, 141775, 147446, 209350, 211325, 219778, 272155, 283550, 368615, 422650, 448009, 544310, 549445, 737230, 896018, 1098890, 1360775, 1843075, 2240045, 2721550, 2747225, 3686150, 4480090, 5494450, 5824117, 11200225, 11648234, 22400450, 29120585, 58241170, 145602925, 291205850]

約数ペア:

[(1, 291205850), (2, 145602925), (5, 58241170), (10, 29120585), (13, 22400450), (25, 11648234), (26, 11200225), (50, 5824117), (53, 5494450), (65, 4480090), (79, 3686150), (106, 2747225), (107, 2721550), (130, 2240045), (158, 1843075), (214, 1360775), (265, 1098890), (325, 896018), (395, 737230), (530, 549445), (535, 544310), (650, 448009), (689, 422650), (790, 368615), (1027, 283550), (1070, 272155), (1325, 219778), (1378, 211325), (1391, 209350), (1975, 147446), (2054, 141775), (2650, 109889), (2675, 108862), (2782, 104675), (3445, 84530), (3950, 73723), (4187, 69550), (5135, 56710), (5350, 54431), (5671, 51350), (6890, 42265), (6955, 41870), (8374, 34775), (8453, 34450), (10270, 28355), (11342, 25675), (13910, 20935), (16906, 17225)]