205890900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{653}}^1\times {\mathrm{1051}}^1$

素因数の和:1721

約数の個数: 72

約数和(自身を含む): 597190944

約数和(自身を除く): 391300044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 653, 1051, 1306, 1959, 2102, 2612, 3153, 3265, 3918, 4204, 5255, 6306, 6530, 7836, 9795, 10510, 12612, 13060, 15765, 16325, 19590, 21020, 26275, 31530, 32650, 39180, 48975, 52550, 63060, 65300, 78825, 97950, 105100, 157650, 195900, 315300, 686303, 1372606, 2058909, 2745212, 3431515, 4117818, 6863030, 8235636, 10294545, 13726060, 17157575, 20589090, 34315150, 41178180, 51472725, 68630300, 102945450, 205890900]

約数ペア:

[(1, 205890900), (2, 102945450), (3, 68630300), (4, 51472725), (5, 41178180), (6, 34315150), (10, 20589090), (12, 17157575), (15, 13726060), (20, 10294545), (25, 8235636), (30, 6863030), (50, 4117818), (60, 3431515), (75, 2745212), (100, 2058909), (150, 1372606), (300, 686303), (653, 315300), (1051, 195900), (1306, 157650), (1959, 105100), (2102, 97950), (2612, 78825), (3153, 65300), (3265, 63060), (3918, 52550), (4204, 48975), (5255, 39180), (6306, 32650), (6530, 31530), (7836, 26275), (9795, 21020), (10510, 19590), (12612, 16325), (13060, 15765)]