81701900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6143}}^1$

素因数の和:6183

約数の個数: 72

約数和(自身を含む): 213319680

約数和(自身を除く): 131617780

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 175, 190, 266, 350, 380, 475, 532, 665, 700, 950, 1330, 1900, 2660, 3325, 6143, 6650, 12286, 13300, 24572, 30715, 43001, 61430, 86002, 116717, 122860, 153575, 172004, 215005, 233434, 307150, 430010, 466868, 583585, 614300, 817019, 860020, 1075025, 1167170, 1634038, 2150050, 2334340, 2917925, 3268076, 4085095, 4300100, 5835850, 8170190, 11671700, 16340380, 20425475, 40850950, 81701900]

約数ペア:

[(1, 81701900), (2, 40850950), (4, 20425475), (5, 16340380), (7, 11671700), (10, 8170190), (14, 5835850), (19, 4300100), (20, 4085095), (25, 3268076), (28, 2917925), (35, 2334340), (38, 2150050), (50, 1634038), (70, 1167170), (76, 1075025), (95, 860020), (100, 817019), (133, 614300), (140, 583585), (175, 466868), (190, 430010), (266, 307150), (350, 233434), (380, 215005), (475, 172004), (532, 153575), (665, 122860), (700, 116717), (950, 86002), (1330, 61430), (1900, 43001), (2660, 30715), (3325, 24572), (6143, 13300), (6650, 12286)]