28717360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2699}}^1$

素因数の和:2738

約数の個数: 80

約数和(自身を含む): 80352000

約数和(自身を除く): 51634640

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, 2699, 5320, 5398, 10640, 10796, 13495, 18893, 21592, 26990, 37786, 43184, 51281, 53980, 75572, 94465, 102562, 107960, 151144, 188930, 205124, 215920, 256405, 302288, 358967, 377860, 410248, 512810, 717934, 755720, 820496, 1025620, 1435868, 1511440, 1794835, 2051240, 2871736, 3589670, 4102480, 5743472, 7179340, 14358680, 28717360]

約数ペア:

[(1, 28717360), (2, 14358680), (4, 7179340), (5, 5743472), (7, 4102480), (8, 3589670), (10, 2871736), (14, 2051240), (16, 1794835), (19, 1511440), (20, 1435868), (28, 1025620), (35, 820496), (38, 755720), (40, 717934), (56, 512810), (70, 410248), (76, 377860), (80, 358967), (95, 302288), (112, 256405), (133, 215920), (140, 205124), (152, 188930), (190, 151144), (266, 107960), (280, 102562), (304, 94465), (380, 75572), (532, 53980), (560, 51281), (665, 43184), (760, 37786), (1064, 26990), (1330, 21592), (1520, 18893), (2128, 13495), (2660, 10796), (2699, 10640), (5320, 5398)]