205002980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1543}}^1$

素因数の和:1645

約数の個数: 96

約数和(自身を含む): 537460224

約数和(自身を除く): 332457244

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 73, 91, 130, 140, 146, 182, 260, 292, 364, 365, 455, 511, 730, 910, 949, 1022, 1460, 1543, 1820, 1898, 2044, 2555, 3086, 3796, 4745, 5110, 6172, 6643, 7715, 9490, 10220, 10801, 13286, 15430, 18980, 20059, 21602, 26572, 30860, 33215, 40118, 43204, 54005, 66430, 80236, 100295, 108010, 112639, 132860, 140413, 200590, 216020, 225278, 280826, 401180, 450556, 561652, 563195, 702065, 788473, 1126390, 1404130, 1464307, 1576946, 2252780, 2808260, 2928614, 3153892, 3942365, 5857228, 7321535, 7884730, 10250149, 14643070, 15769460, 20500298, 29286140, 41000596, 51250745, 102501490, 205002980]

約数ペア:

[(1, 205002980), (2, 102501490), (4, 51250745), (5, 41000596), (7, 29286140), (10, 20500298), (13, 15769460), (14, 14643070), (20, 10250149), (26, 7884730), (28, 7321535), (35, 5857228), (52, 3942365), (65, 3153892), (70, 2928614), (73, 2808260), (91, 2252780), (130, 1576946), (140, 1464307), (146, 1404130), (182, 1126390), (260, 788473), (292, 702065), (364, 563195), (365, 561652), (455, 450556), (511, 401180), (730, 280826), (910, 225278), (949, 216020), (1022, 200590), (1460, 140413), (1543, 132860), (1820, 112639), (1898, 108010), (2044, 100295), (2555, 80236), (3086, 66430), (3796, 54005), (4745, 43204), (5110, 40118), (6172, 33215), (6643, 30860), (7715, 26572), (9490, 21602), (10220, 20059), (10801, 18980), (13286, 15430)]