205901360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7823}}^1$

素因数の和:7890

約数の個数: 80

約数和(自身を含む): 558821376

約数和(自身を除く): 352920016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1316, 1645, 1880, 2632, 3290, 3760, 5264, 6580, 7823, 13160, 15646, 26320, 31292, 39115, 54761, 62584, 78230, 109522, 125168, 156460, 219044, 273805, 312920, 367681, 438088, 547610, 625840, 735362, 876176, 1095220, 1470724, 1838405, 2190440, 2573767, 2941448, 3676810, 4380880, 5147534, 5882896, 7353620, 10295068, 12868835, 14707240, 20590136, 25737670, 29414480, 41180272, 51475340, 102950680, 205901360]

約数ペア:

[(1, 205901360), (2, 102950680), (4, 51475340), (5, 41180272), (7, 29414480), (8, 25737670), (10, 20590136), (14, 14707240), (16, 12868835), (20, 10295068), (28, 7353620), (35, 5882896), (40, 5147534), (47, 4380880), (56, 3676810), (70, 2941448), (80, 2573767), (94, 2190440), (112, 1838405), (140, 1470724), (188, 1095220), (235, 876176), (280, 735362), (329, 625840), (376, 547610), (470, 438088), (560, 367681), (658, 312920), (752, 273805), (940, 219044), (1316, 156460), (1645, 125168), (1880, 109522), (2632, 78230), (3290, 62584), (3760, 54761), (5264, 39115), (6580, 31292), (7823, 26320), (13160, 15646)]