181947740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1$

素因数の和:519

約数の個数: 96

約数和(自身を含む): 433944000

約数和(自身を除く): 251996260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 59, 65, 116, 118, 130, 145, 236, 260, 290, 295, 377, 409, 580, 590, 754, 767, 818, 1180, 1508, 1534, 1636, 1711, 1885, 2045, 3068, 3422, 3770, 3835, 4090, 5317, 6844, 7540, 7670, 8180, 8555, 10634, 11861, 15340, 17110, 21268, 22243, 23722, 24131, 26585, 34220, 44486, 47444, 48262, 53170, 59305, 88972, 96524, 106340, 111215, 118610, 120655, 154193, 222430, 237220, 241310, 308386, 313703, 444860, 482620, 616772, 627406, 699799, 770965, 1254812, 1399598, 1541930, 1568515, 2799196, 3083860, 3137030, 3498995, 6274060, 6997990, 9097387, 13995980, 18194774, 36389548, 45486935, 90973870, 181947740]

約数ペア:

[(1, 181947740), (2, 90973870), (4, 45486935), (5, 36389548), (10, 18194774), (13, 13995980), (20, 9097387), (26, 6997990), (29, 6274060), (52, 3498995), (58, 3137030), (59, 3083860), (65, 2799196), (116, 1568515), (118, 1541930), (130, 1399598), (145, 1254812), (236, 770965), (260, 699799), (290, 627406), (295, 616772), (377, 482620), (409, 444860), (580, 313703), (590, 308386), (754, 241310), (767, 237220), (818, 222430), (1180, 154193), (1508, 120655), (1534, 118610), (1636, 111215), (1711, 106340), (1885, 96524), (2045, 88972), (3068, 59305), (3422, 53170), (3770, 48262), (3835, 47444), (4090, 44486), (5317, 34220), (6844, 26585), (7540, 24131), (7670, 23722), (8180, 22243), (8555, 21268), (10634, 17110), (11861, 15340)]