2002161784

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{601}}^1$

素因数の和:765

約数の個数: 128

約数和(自身を含む): 4715827200

約数和(自身を除く): 2713665416

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 56, 62, 76, 101, 124, 133, 152, 202, 217, 248, 266, 404, 434, 532, 589, 601, 707, 808, 868, 1064, 1178, 1202, 1414, 1736, 1919, 2356, 2404, 2828, 3131, 3838, 4123, 4207, 4712, 4808, 5656, 6262, 7676, 8246, 8414, 11419, 12524, 13433, 15352, 16492, 16828, 18631, 21917, 22838, 25048, 26866, 32984, 33656, 37262, 43834, 45676, 53732, 59489, 60701, 74524, 79933, 87668, 91352, 107464, 118978, 121402, 130417, 149048, 159866, 175336, 237956, 242804, 260834, 319732, 353989, 416423, 424907, 475912, 485608, 521668, 639464, 707978, 832846, 849814, 1043336, 1153319, 1415956, 1665692, 1699628, 1881731, 2306638, 2477923, 2831912, 3331384, 3399256, 3763462, 4613276, 4955846, 7526924, 8073233, 9226552, 9911692, 13172117, 15053848, 16146466, 19823384, 26344234, 32292932, 35752889, 52688468, 64585864, 71505778, 105376936, 143011556, 250270223, 286023112, 500540446, 1001080892, 2002161784]

約数ペア:

[(1, 2002161784), (2, 1001080892), (4, 500540446), (7, 286023112), (8, 250270223), (14, 143011556), (19, 105376936), (28, 71505778), (31, 64585864), (38, 52688468), (56, 35752889), (62, 32292932), (76, 26344234), (101, 19823384), (124, 16146466), (133, 15053848), (152, 13172117), (202, 9911692), (217, 9226552), (248, 8073233), (266, 7526924), (404, 4955846), (434, 4613276), (532, 3763462), (589, 3399256), (601, 3331384), (707, 2831912), (808, 2477923), (868, 2306638), (1064, 1881731), (1178, 1699628), (1202, 1665692), (1414, 1415956), (1736, 1153319), (1919, 1043336), (2356, 849814), (2404, 832846), (2828, 707978), (3131, 639464), (3838, 521668), (4123, 485608), (4207, 475912), (4712, 424907), (4808, 416423), (5656, 353989), (6262, 319732), (7676, 260834), (8246, 242804), (8414, 237956), (11419, 175336), (12524, 159866), (13433, 149048), (15352, 130417), (16492, 121402), (16828, 118978), (18631, 107464), (21917, 91352), (22838, 87668), (25048, 79933), (26866, 74524), (32984, 60701), (33656, 59489), (37262, 53732), (43834, 45676)]