55687100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 149990400

約数和(自身を除く): 94303300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 53, 70, 76, 79, 95, 100, 106, 133, 140, 158, 175, 190, 212, 265, 266, 316, 350, 371, 380, 395, 475, 530, 532, 553, 665, 700, 742, 790, 950, 1007, 1060, 1106, 1325, 1330, 1484, 1501, 1580, 1855, 1900, 1975, 2014, 2212, 2650, 2660, 2765, 3002, 3325, 3710, 3950, 4028, 4187, 5035, 5300, 5530, 6004, 6650, 7049, 7420, 7505, 7900, 8374, 9275, 10070, 10507, 11060, 13300, 13825, 14098, 15010, 16748, 18550, 20140, 20935, 21014, 25175, 27650, 28196, 29309, 30020, 35245, 37100, 37525, 41870, 42028, 50350, 52535, 55300, 58618, 70490, 75050, 79553, 83740, 100700, 104675, 105070, 117236, 140980, 146545, 150100, 159106, 176225, 209350, 210140, 262675, 293090, 318212, 352450, 397765, 418700, 525350, 556871, 586180, 704900, 732725, 795530, 1050700, 1113742, 1465450, 1591060, 1988825, 2227484, 2784355, 2930900, 3977650, 5568710, 7955300, 11137420, 13921775, 27843550, 55687100]

約数ペア:

[(1, 55687100), (2, 27843550), (4, 13921775), (5, 11137420), (7, 7955300), (10, 5568710), (14, 3977650), (19, 2930900), (20, 2784355), (25, 2227484), (28, 1988825), (35, 1591060), (38, 1465450), (50, 1113742), (53, 1050700), (70, 795530), (76, 732725), (79, 704900), (95, 586180), (100, 556871), (106, 525350), (133, 418700), (140, 397765), (158, 352450), (175, 318212), (190, 293090), (212, 262675), (265, 210140), (266, 209350), (316, 176225), (350, 159106), (371, 150100), (380, 146545), (395, 140980), (475, 117236), (530, 105070), (532, 104675), (553, 100700), (665, 83740), (700, 79553), (742, 75050), (790, 70490), (950, 58618), (1007, 55300), (1060, 52535), (1106, 50350), (1325, 42028), (1330, 41870), (1484, 37525), (1501, 37100), (1580, 35245), (1855, 30020), (1900, 29309), (1975, 28196), (2014, 27650), (2212, 25175), (2650, 21014), (2660, 20935), (2765, 20140), (3002, 18550), (3325, 16748), (3710, 15010), (3950, 14098), (4028, 13825), (4187, 13300), (5035, 11060), (5300, 10507), (5530, 10070), (6004, 9275), (6650, 8374), (7049, 7900), (7420, 7505)]