203450780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{16649}}^1$

素因数の和:16718

約数の個数: 48

約数和(自身を含む): 469929600

約数和(自身を除く): 266478820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 6110, 12220, 16649, 33298, 66596, 83245, 166490, 216437, 332980, 432874, 782503, 865748, 1082185, 1565006, 2164370, 3130012, 3912515, 4328740, 7825030, 10172539, 15650060, 20345078, 40690156, 50862695, 101725390, 203450780]

約数ペア:

[(1, 203450780), (2, 101725390), (4, 50862695), (5, 40690156), (10, 20345078), (13, 15650060), (20, 10172539), (26, 7825030), (47, 4328740), (52, 3912515), (65, 3130012), (94, 2164370), (130, 1565006), (188, 1082185), (235, 865748), (260, 782503), (470, 432874), (611, 332980), (940, 216437), (1222, 166490), (2444, 83245), (3055, 66596), (6110, 33298), (12220, 16649)]