20190390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 128

約数和(自身を含む): 57853440

約数和(自身を除く): 37663050

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 17, 22, 30, 33, 34, 51, 55, 59, 61, 66, 85, 102, 110, 118, 122, 165, 170, 177, 183, 187, 255, 295, 305, 330, 354, 366, 374, 510, 561, 590, 610, 649, 671, 885, 915, 935, 1003, 1037, 1122, 1298, 1342, 1770, 1830, 1870, 1947, 2006, 2013, 2074, 2805, 3009, 3111, 3245, 3355, 3599, 3894, 4026, 5015, 5185, 5610, 6018, 6222, 6490, 6710, 7198, 9735, 10030, 10065, 10370, 10797, 11033, 11407, 15045, 15555, 17995, 19470, 20130, 21594, 22066, 22814, 30090, 31110, 33099, 34221, 35990, 39589, 53985, 55165, 57035, 61183, 66198, 68442, 79178, 107970, 110330, 114070, 118767, 122366, 165495, 171105, 183549, 197945, 237534, 305915, 330990, 342210, 367098, 395890, 593835, 611830, 673013, 917745, 1187670, 1346026, 1835490, 2019039, 3365065, 4038078, 6730130, 10095195, 20190390]

約数ペア:

[(1, 20190390), (2, 10095195), (3, 6730130), (5, 4038078), (6, 3365065), (10, 2019039), (11, 1835490), (15, 1346026), (17, 1187670), (22, 917745), (30, 673013), (33, 611830), (34, 593835), (51, 395890), (55, 367098), (59, 342210), (61, 330990), (66, 305915), (85, 237534), (102, 197945), (110, 183549), (118, 171105), (122, 165495), (165, 122366), (170, 118767), (177, 114070), (183, 110330), (187, 107970), (255, 79178), (295, 68442), (305, 66198), (330, 61183), (354, 57035), (366, 55165), (374, 53985), (510, 39589), (561, 35990), (590, 34221), (610, 33099), (649, 31110), (671, 30090), (885, 22814), (915, 22066), (935, 21594), (1003, 20130), (1037, 19470), (1122, 17995), (1298, 15555), (1342, 15045), (1770, 11407), (1830, 11033), (1870, 10797), (1947, 10370), (2006, 10065), (2013, 10030), (2074, 9735), (2805, 7198), (3009, 6710), (3111, 6490), (3245, 6222), (3355, 6018), (3599, 5610), (3894, 5185), (4026, 5015)]