138865300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 371226240

約数和(自身を除く): 232360940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 53, 70, 76, 95, 100, 106, 133, 140, 175, 190, 197, 212, 265, 266, 350, 371, 380, 394, 475, 530, 532, 665, 700, 742, 788, 950, 985, 1007, 1060, 1325, 1330, 1379, 1484, 1855, 1900, 1970, 2014, 2650, 2660, 2758, 3325, 3710, 3743, 3940, 4028, 4925, 5035, 5300, 5516, 6650, 6895, 7049, 7420, 7486, 9275, 9850, 10070, 10441, 13300, 13790, 14098, 14972, 18550, 18715, 19700, 20140, 20882, 25175, 26201, 27580, 28196, 34475, 35245, 37100, 37430, 41764, 50350, 52205, 52402, 68950, 70490, 73087, 74860, 93575, 100700, 104410, 104804, 131005, 137900, 140980, 146174, 176225, 187150, 198379, 208820, 261025, 262010, 292348, 352450, 365435, 374300, 396758, 522050, 524020, 655025, 704900, 730870, 793516, 991895, 1044100, 1310050, 1388653, 1461740, 1827175, 1983790, 2620100, 2777306, 3654350, 3967580, 4959475, 5554612, 6943265, 7308700, 9918950, 13886530, 19837900, 27773060, 34716325, 69432650, 138865300]

約数ペア:

[(1, 138865300), (2, 69432650), (4, 34716325), (5, 27773060), (7, 19837900), (10, 13886530), (14, 9918950), (19, 7308700), (20, 6943265), (25, 5554612), (28, 4959475), (35, 3967580), (38, 3654350), (50, 2777306), (53, 2620100), (70, 1983790), (76, 1827175), (95, 1461740), (100, 1388653), (106, 1310050), (133, 1044100), (140, 991895), (175, 793516), (190, 730870), (197, 704900), (212, 655025), (265, 524020), (266, 522050), (350, 396758), (371, 374300), (380, 365435), (394, 352450), (475, 292348), (530, 262010), (532, 261025), (665, 208820), (700, 198379), (742, 187150), (788, 176225), (950, 146174), (985, 140980), (1007, 137900), (1060, 131005), (1325, 104804), (1330, 104410), (1379, 100700), (1484, 93575), (1855, 74860), (1900, 73087), (1970, 70490), (2014, 68950), (2650, 52402), (2660, 52205), (2758, 50350), (3325, 41764), (3710, 37430), (3743, 37100), (3940, 35245), (4028, 34475), (4925, 28196), (5035, 27580), (5300, 26201), (5516, 25175), (6650, 20882), (6895, 20140), (7049, 19700), (7420, 18715), (7486, 18550), (9275, 14972), (9850, 14098), (10070, 13790), (10441, 13300)]