212257360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19949}}^1$

素因数の和:19988

約数の個数: 80

約数和(自身を含む): 593712000

約数和(自身を除く): 381454640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 19949, 39898, 79796, 99745, 139643, 159592, 199490, 279286, 319184, 379031, 398980, 558572, 698215, 758062, 797960, 1117144, 1396430, 1516124, 1595920, 1895155, 2234288, 2653217, 2792860, 3032248, 3790310, 5306434, 5585720, 6064496, 7580620, 10612868, 11171440, 13266085, 15161240, 21225736, 26532170, 30322480, 42451472, 53064340, 106128680, 212257360]

約数ペア:

[(1, 212257360), (2, 106128680), (4, 53064340), (5, 42451472), (7, 30322480), (8, 26532170), (10, 21225736), (14, 15161240), (16, 13266085), (19, 11171440), (20, 10612868), (28, 7580620), (35, 6064496), (38, 5585720), (40, 5306434), (56, 3790310), (70, 3032248), (76, 2792860), (80, 2653217), (95, 2234288), (112, 1895155), (133, 1595920), (140, 1516124), (152, 1396430), (190, 1117144), (266, 797960), (280, 758062), (304, 698215), (380, 558572), (532, 398980), (560, 379031), (665, 319184), (760, 279286), (1064, 199490), (1330, 159592), (1520, 139643), (2128, 99745), (2660, 79796), (5320, 39898), (10640, 19949)]