890256136

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{563}}^1$

素因数の和:755

約数の個数: 128

約数和(自身を含む): 2222069760

約数和(自身を除く): 1331813624

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 44, 56, 68, 77, 88, 119, 136, 151, 154, 187, 238, 302, 308, 374, 476, 563, 604, 616, 748, 952, 1057, 1126, 1208, 1309, 1496, 1661, 2114, 2252, 2567, 2618, 3322, 3941, 4228, 4504, 5134, 5236, 6193, 6644, 7882, 8456, 9571, 10268, 10472, 11627, 12386, 13288, 15764, 17969, 19142, 20536, 23254, 24772, 28237, 31528, 35938, 38284, 43351, 46508, 49544, 56474, 66997, 71876, 76568, 85013, 86702, 93016, 105281, 112948, 133994, 143752, 170026, 173404, 197659, 210562, 225896, 267988, 340052, 346808, 395318, 421124, 535976, 595091, 680104, 736967, 790636, 842248, 935143, 1190182, 1445221, 1473934, 1581272, 1870286, 2380364, 2890442, 2947868, 3740572, 4760728, 5780884, 5895736, 6546001, 7481144, 10116547, 11561768, 13092002, 15897431, 20233094, 26184004, 31794862, 40466188, 52368008, 63589724, 80932376, 111282017, 127179448, 222564034, 445128068, 890256136]

約数ペア:

[(1, 890256136), (2, 445128068), (4, 222564034), (7, 127179448), (8, 111282017), (11, 80932376), (14, 63589724), (17, 52368008), (22, 40466188), (28, 31794862), (34, 26184004), (44, 20233094), (56, 15897431), (68, 13092002), (77, 11561768), (88, 10116547), (119, 7481144), (136, 6546001), (151, 5895736), (154, 5780884), (187, 4760728), (238, 3740572), (302, 2947868), (308, 2890442), (374, 2380364), (476, 1870286), (563, 1581272), (604, 1473934), (616, 1445221), (748, 1190182), (952, 935143), (1057, 842248), (1126, 790636), (1208, 736967), (1309, 680104), (1496, 595091), (1661, 535976), (2114, 421124), (2252, 395318), (2567, 346808), (2618, 340052), (3322, 267988), (3941, 225896), (4228, 210562), (4504, 197659), (5134, 173404), (5236, 170026), (6193, 143752), (6644, 133994), (7882, 112948), (8456, 105281), (9571, 93016), (10268, 86702), (10472, 85013), (11627, 76568), (12386, 71876), (13288, 66997), (15764, 56474), (17969, 49544), (19142, 46508), (20536, 43351), (23254, 38284), (24772, 35938), (28237, 31528)]