55457080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 150698880

約数和(自身を除く): 95241800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 53, 56, 70, 74, 101, 106, 140, 148, 185, 202, 212, 259, 265, 280, 296, 370, 371, 404, 424, 505, 518, 530, 707, 740, 742, 808, 1010, 1036, 1060, 1295, 1414, 1480, 1484, 1855, 1961, 2020, 2072, 2120, 2590, 2828, 2968, 3535, 3710, 3737, 3922, 4040, 5180, 5353, 5656, 7070, 7420, 7474, 7844, 9805, 10360, 10706, 13727, 14140, 14840, 14948, 15688, 18685, 19610, 21412, 26159, 26765, 27454, 28280, 29896, 37370, 37471, 39220, 42824, 52318, 53530, 54908, 68635, 74740, 74942, 78440, 104636, 107060, 109816, 130795, 137270, 149480, 149884, 187355, 198061, 209272, 214120, 261590, 274540, 299768, 374710, 396122, 523180, 549080, 749420, 792244, 990305, 1046360, 1386427, 1498840, 1584488, 1980610, 2772854, 3961220, 5545708, 6932135, 7922440, 11091416, 13864270, 27728540, 55457080]

約数ペア:

[(1, 55457080), (2, 27728540), (4, 13864270), (5, 11091416), (7, 7922440), (8, 6932135), (10, 5545708), (14, 3961220), (20, 2772854), (28, 1980610), (35, 1584488), (37, 1498840), (40, 1386427), (53, 1046360), (56, 990305), (70, 792244), (74, 749420), (101, 549080), (106, 523180), (140, 396122), (148, 374710), (185, 299768), (202, 274540), (212, 261590), (259, 214120), (265, 209272), (280, 198061), (296, 187355), (370, 149884), (371, 149480), (404, 137270), (424, 130795), (505, 109816), (518, 107060), (530, 104636), (707, 78440), (740, 74942), (742, 74740), (808, 68635), (1010, 54908), (1036, 53530), (1060, 52318), (1295, 42824), (1414, 39220), (1480, 37471), (1484, 37370), (1855, 29896), (1961, 28280), (2020, 27454), (2072, 26765), (2120, 26159), (2590, 21412), (2828, 19610), (2968, 18685), (3535, 15688), (3710, 14948), (3737, 14840), (3922, 14140), (4040, 13727), (5180, 10706), (5353, 10360), (5656, 9805), (7070, 7844), (7420, 7474)]