17990140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 46577664

約数和(自身を除く): 28587524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 37, 46, 70, 74, 92, 115, 140, 148, 151, 161, 185, 230, 259, 302, 322, 370, 460, 518, 604, 644, 740, 755, 805, 851, 1036, 1057, 1295, 1510, 1610, 1702, 2114, 2590, 3020, 3220, 3404, 3473, 4228, 4255, 5180, 5285, 5587, 5957, 6946, 8510, 10570, 11174, 11914, 13892, 17020, 17365, 21140, 22348, 23828, 24311, 27935, 29785, 34730, 39109, 48622, 55870, 59570, 69460, 78218, 97244, 111740, 119140, 121555, 128501, 156436, 195545, 243110, 257002, 391090, 486220, 514004, 642505, 782180, 899507, 1285010, 1799014, 2570020, 3598028, 4497535, 8995070, 17990140]

約数ペア:

[(1, 17990140), (2, 8995070), (4, 4497535), (5, 3598028), (7, 2570020), (10, 1799014), (14, 1285010), (20, 899507), (23, 782180), (28, 642505), (35, 514004), (37, 486220), (46, 391090), (70, 257002), (74, 243110), (92, 195545), (115, 156436), (140, 128501), (148, 121555), (151, 119140), (161, 111740), (185, 97244), (230, 78218), (259, 69460), (302, 59570), (322, 55870), (370, 48622), (460, 39109), (518, 34730), (604, 29785), (644, 27935), (740, 24311), (755, 23828), (805, 22348), (851, 21140), (1036, 17365), (1057, 17020), (1295, 13892), (1510, 11914), (1610, 11174), (1702, 10570), (2114, 8510), (2590, 6946), (3020, 5957), (3220, 5587), (3404, 5285), (3473, 5180), (4228, 4255)]