206523920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1637}}^1$

素因数の和:1752

約数の個数: 80

約数和(自身を含む): 511842240

約数和(自身を除く): 305318320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 83, 95, 152, 166, 190, 304, 332, 380, 415, 664, 760, 830, 1328, 1520, 1577, 1637, 1660, 3154, 3274, 3320, 6308, 6548, 6640, 7885, 8185, 12616, 13096, 15770, 16370, 25232, 26192, 31103, 31540, 32740, 62206, 63080, 65480, 124412, 126160, 130960, 135871, 155515, 248824, 271742, 311030, 497648, 543484, 622060, 679355, 1086968, 1244120, 1358710, 2173936, 2488240, 2581549, 2717420, 5163098, 5434840, 10326196, 10869680, 12907745, 20652392, 25815490, 41304784, 51630980, 103261960, 206523920]

約数ペア:

[(1, 206523920), (2, 103261960), (4, 51630980), (5, 41304784), (8, 25815490), (10, 20652392), (16, 12907745), (19, 10869680), (20, 10326196), (38, 5434840), (40, 5163098), (76, 2717420), (80, 2581549), (83, 2488240), (95, 2173936), (152, 1358710), (166, 1244120), (190, 1086968), (304, 679355), (332, 622060), (380, 543484), (415, 497648), (664, 311030), (760, 271742), (830, 248824), (1328, 155515), (1520, 135871), (1577, 130960), (1637, 126160), (1660, 124412), (3154, 65480), (3274, 63080), (3320, 62206), (6308, 32740), (6548, 31540), (6640, 31103), (7885, 26192), (8185, 25232), (12616, 16370), (13096, 15770)]