245797900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{757}}^1$

素因数の和:979

約数の個数: 72

約数和(自身を含む): 568463616

約数和(自身を除く): 322665716

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 191, 340, 382, 425, 757, 764, 850, 955, 1514, 1700, 1910, 3028, 3247, 3785, 3820, 4775, 6494, 7570, 9550, 12869, 12988, 15140, 16235, 18925, 19100, 25738, 32470, 37850, 51476, 64345, 64940, 75700, 81175, 128690, 144587, 162350, 257380, 289174, 321725, 324700, 578348, 643450, 722935, 1286900, 1445870, 2457979, 2891740, 3614675, 4915958, 7229350, 9831916, 12289895, 14458700, 24579790, 49159580, 61449475, 122898950, 245797900]

約数ペア:

[(1, 245797900), (2, 122898950), (4, 61449475), (5, 49159580), (10, 24579790), (17, 14458700), (20, 12289895), (25, 9831916), (34, 7229350), (50, 4915958), (68, 3614675), (85, 2891740), (100, 2457979), (170, 1445870), (191, 1286900), (340, 722935), (382, 643450), (425, 578348), (757, 324700), (764, 321725), (850, 289174), (955, 257380), (1514, 162350), (1700, 144587), (1910, 128690), (3028, 81175), (3247, 75700), (3785, 64940), (3820, 64345), (4775, 51476), (6494, 37850), (7570, 32470), (9550, 25738), (12869, 19100), (12988, 18925), (15140, 16235)]