190790860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{1201}}^1$

素因数の和:1283

約数の個数: 72

約数和(自身を含む): 443451456

約数和(自身を除く): 252660596

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 169, 188, 235, 260, 338, 470, 611, 676, 845, 940, 1201, 1222, 1690, 2402, 2444, 3055, 3380, 4804, 6005, 6110, 7943, 12010, 12220, 15613, 15886, 24020, 31226, 31772, 39715, 56447, 62452, 78065, 79430, 112894, 156130, 158860, 202969, 225788, 282235, 312260, 405938, 564470, 733811, 811876, 1014845, 1128940, 1467622, 2029690, 2935244, 3669055, 4059380, 7338110, 9539543, 14676220, 19079086, 38158172, 47697715, 95395430, 190790860]

約数ペア:

[(1, 190790860), (2, 95395430), (4, 47697715), (5, 38158172), (10, 19079086), (13, 14676220), (20, 9539543), (26, 7338110), (47, 4059380), (52, 3669055), (65, 2935244), (94, 2029690), (130, 1467622), (169, 1128940), (188, 1014845), (235, 811876), (260, 733811), (338, 564470), (470, 405938), (611, 312260), (676, 282235), (845, 225788), (940, 202969), (1201, 158860), (1222, 156130), (1690, 112894), (2402, 79430), (2444, 78065), (3055, 62452), (3380, 56447), (4804, 39715), (6005, 31772), (6110, 31226), (7943, 24020), (12010, 15886), (12220, 15613)]