2000717320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1\times {\mathrm{401}}^1$

素因数の和:695

約数の個数: 128

約数和(自身を含む): 5237706240

約数和(自身を除く): 3236988920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 103, 140, 173, 206, 280, 346, 401, 412, 515, 692, 721, 802, 824, 865, 1030, 1211, 1384, 1442, 1604, 1730, 2005, 2060, 2422, 2807, 2884, 3208, 3460, 3605, 4010, 4120, 4844, 5614, 5768, 6055, 6920, 7210, 8020, 9688, 11228, 12110, 14035, 14420, 16040, 17819, 22456, 24220, 28070, 28840, 35638, 41303, 48440, 56140, 69373, 71276, 82606, 89095, 112280, 124733, 138746, 142552, 165212, 178190, 206515, 249466, 277492, 289121, 330424, 346865, 356380, 413030, 485611, 498932, 554984, 578242, 623665, 693730, 712760, 826060, 971222, 997864, 1156484, 1247330, 1387460, 1445605, 1652120, 1942444, 2312968, 2428055, 2494660, 2774920, 2891210, 3884888, 4856110, 4989320, 5782420, 7145419, 9712220, 11564840, 14290838, 19424440, 28581676, 35727095, 50017933, 57163352, 71454190, 100035866, 142908380, 200071732, 250089665, 285816760, 400143464, 500179330, 1000358660, 2000717320]

約数ペア:

[(1, 2000717320), (2, 1000358660), (4, 500179330), (5, 400143464), (7, 285816760), (8, 250089665), (10, 200071732), (14, 142908380), (20, 100035866), (28, 71454190), (35, 57163352), (40, 50017933), (56, 35727095), (70, 28581676), (103, 19424440), (140, 14290838), (173, 11564840), (206, 9712220), (280, 7145419), (346, 5782420), (401, 4989320), (412, 4856110), (515, 3884888), (692, 2891210), (721, 2774920), (802, 2494660), (824, 2428055), (865, 2312968), (1030, 1942444), (1211, 1652120), (1384, 1445605), (1442, 1387460), (1604, 1247330), (1730, 1156484), (2005, 997864), (2060, 971222), (2422, 826060), (2807, 712760), (2884, 693730), (3208, 623665), (3460, 578242), (3605, 554984), (4010, 498932), (4120, 485611), (4844, 413030), (5614, 356380), (5768, 346865), (6055, 330424), (6920, 289121), (7210, 277492), (8020, 249466), (9688, 206515), (11228, 178190), (12110, 165212), (14035, 142552), (14420, 138746), (16040, 124733), (17819, 112280), (22456, 89095), (24220, 82606), (28070, 71276), (28840, 69373), (35638, 56140), (41303, 48440)]