201020260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:461

約数の個数: 96

約数和(自身を含む): 500709888

約数和(自身を除く): 299689628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 151, 185, 257, 259, 302, 370, 514, 518, 604, 740, 755, 1028, 1036, 1057, 1285, 1295, 1510, 1799, 2114, 2570, 2590, 3020, 3598, 4228, 5140, 5180, 5285, 5587, 7196, 8995, 9509, 10570, 11174, 17990, 19018, 21140, 22348, 27935, 35980, 38036, 38807, 39109, 47545, 55870, 66563, 77614, 78218, 95090, 111740, 133126, 155228, 156436, 190180, 194035, 195545, 266252, 271649, 332815, 388070, 391090, 543298, 665630, 776140, 782180, 1086596, 1331260, 1358245, 1435859, 2716490, 2871718, 5432980, 5743436, 7179295, 10051013, 14358590, 20102026, 28717180, 40204052, 50255065, 100510130, 201020260]

約数ペア:

[(1, 201020260), (2, 100510130), (4, 50255065), (5, 40204052), (7, 28717180), (10, 20102026), (14, 14358590), (20, 10051013), (28, 7179295), (35, 5743436), (37, 5432980), (70, 2871718), (74, 2716490), (140, 1435859), (148, 1358245), (151, 1331260), (185, 1086596), (257, 782180), (259, 776140), (302, 665630), (370, 543298), (514, 391090), (518, 388070), (604, 332815), (740, 271649), (755, 266252), (1028, 195545), (1036, 194035), (1057, 190180), (1285, 156436), (1295, 155228), (1510, 133126), (1799, 111740), (2114, 95090), (2570, 78218), (2590, 77614), (3020, 66563), (3598, 55870), (4228, 47545), (5140, 39109), (5180, 38807), (5285, 38036), (5587, 35980), (7196, 27935), (8995, 22348), (9509, 21140), (10570, 19018), (11174, 17990)]