213394750

素因数分解:

$2^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 415134720

約数和(自身を除く): 201739970

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 109, 125, 191, 205, 218, 250, 382, 410, 545, 955, 1025, 1090, 1910, 2050, 2725, 4469, 4775, 5125, 5450, 7831, 8938, 9550, 10250, 13625, 15662, 20819, 22345, 23875, 27250, 39155, 41638, 44690, 47750, 78310, 104095, 111725, 195775, 208190, 223450, 391550, 520475, 558625, 853579, 978875, 1040950, 1117250, 1707158, 1957750, 2602375, 4267895, 5204750, 8535790, 21339475, 42678950, 106697375, 213394750]

約数ペア:

[(1, 213394750), (2, 106697375), (5, 42678950), (10, 21339475), (25, 8535790), (41, 5204750), (50, 4267895), (82, 2602375), (109, 1957750), (125, 1707158), (191, 1117250), (205, 1040950), (218, 978875), (250, 853579), (382, 558625), (410, 520475), (545, 391550), (955, 223450), (1025, 208190), (1090, 195775), (1910, 111725), (2050, 104095), (2725, 78310), (4469, 47750), (4775, 44690), (5125, 41638), (5450, 39155), (7831, 27250), (8938, 23875), (9550, 22345), (10250, 20819), (13625, 15662)]