211297520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2971}}^1$

素因数の和:3118

約数の個数: 80

約数和(自身を含む): 566059008

約数和(自身を除く): 354761488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 1016, 1270, 1778, 2032, 2540, 2971, 3556, 4445, 5080, 5942, 7112, 8890, 10160, 11884, 14224, 14855, 17780, 20797, 23768, 29710, 35560, 41594, 47536, 59420, 71120, 83188, 103985, 118840, 166376, 207970, 237680, 332752, 377317, 415940, 754634, 831880, 1509268, 1663760, 1886585, 2641219, 3018536, 3773170, 5282438, 6037072, 7546340, 10564876, 13206095, 15092680, 21129752, 26412190, 30185360, 42259504, 52824380, 105648760, 211297520]

約数ペア:

[(1, 211297520), (2, 105648760), (4, 52824380), (5, 42259504), (7, 30185360), (8, 26412190), (10, 21129752), (14, 15092680), (16, 13206095), (20, 10564876), (28, 7546340), (35, 6037072), (40, 5282438), (56, 3773170), (70, 3018536), (80, 2641219), (112, 1886585), (127, 1663760), (140, 1509268), (254, 831880), (280, 754634), (508, 415940), (560, 377317), (635, 332752), (889, 237680), (1016, 207970), (1270, 166376), (1778, 118840), (2032, 103985), (2540, 83188), (2971, 71120), (3556, 59420), (4445, 47536), (5080, 41594), (5942, 35560), (7112, 29710), (8890, 23768), (10160, 20797), (11884, 17780), (14224, 14855)]