20171901610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1\times {\mathrm{313}}^1$

素因数の和:680

約数の個数: 128

約数和(自身を含む): 43298841600

約数和(自身を除く): 23126939990

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 149, 167, 185, 259, 298, 313, 334, 370, 518, 626, 745, 835, 1043, 1169, 1295, 1490, 1565, 1670, 2086, 2191, 2338, 2590, 3130, 4382, 5215, 5513, 5845, 6179, 10430, 10955, 11026, 11581, 11690, 12358, 21910, 23162, 24883, 27565, 30895, 38591, 43253, 46637, 49766, 52271, 55130, 57905, 61790, 77182, 81067, 86506, 93274, 104542, 115810, 124415, 162134, 174181, 192955, 216265, 233185, 248830, 261355, 326459, 348362, 365897, 385910, 405335, 432530, 466370, 522710, 652918, 731794, 810670, 870905, 920671, 1632295, 1725569, 1741810, 1829485, 1841342, 1934027, 3264590, 3451138, 3658970, 3868054, 4603355, 6444697, 7788379, 8627845, 9206710, 9670135, 12078983, 12889394, 13538189, 15576758, 17255690, 19340270, 24157966, 27076378, 32223485, 38941895, 54518653, 60394915, 64446970, 67690945, 77883790, 109037306, 120789830, 135381890, 272593265, 288170023, 545186530, 576340046, 1440850115, 2017190161, 2881700230, 4034380322, 10085950805, 20171901610]

約数ペア:

[(1, 20171901610), (2, 10085950805), (5, 4034380322), (7, 2881700230), (10, 2017190161), (14, 1440850115), (35, 576340046), (37, 545186530), (70, 288170023), (74, 272593265), (149, 135381890), (167, 120789830), (185, 109037306), (259, 77883790), (298, 67690945), (313, 64446970), (334, 60394915), (370, 54518653), (518, 38941895), (626, 32223485), (745, 27076378), (835, 24157966), (1043, 19340270), (1169, 17255690), (1295, 15576758), (1490, 13538189), (1565, 12889394), (1670, 12078983), (2086, 9670135), (2191, 9206710), (2338, 8627845), (2590, 7788379), (3130, 6444697), (4382, 4603355), (5215, 3868054), (5513, 3658970), (5845, 3451138), (6179, 3264590), (10430, 1934027), (10955, 1841342), (11026, 1829485), (11581, 1741810), (11690, 1725569), (12358, 1632295), (21910, 920671), (23162, 870905), (24883, 810670), (27565, 731794), (30895, 652918), (38591, 522710), (43253, 466370), (46637, 432530), (49766, 405335), (52271, 385910), (55130, 365897), (57905, 348362), (61790, 326459), (77182, 261355), (81067, 248830), (86506, 233185), (93274, 216265), (104542, 192955), (115810, 174181), (124415, 162134)]