972180950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{1117}}^1$

素因数の和:1258

約数の個数: 72

約数和(自身を含む): 1978833168

約数和(自身を除く): 1006652218

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 103, 130, 169, 206, 325, 338, 515, 650, 845, 1030, 1117, 1339, 1690, 2234, 2575, 2678, 4225, 5150, 5585, 6695, 8450, 11170, 13390, 14521, 17407, 27925, 29042, 33475, 34814, 55850, 66950, 72605, 87035, 115051, 145210, 174070, 188773, 230102, 363025, 377546, 435175, 575255, 726050, 870350, 943865, 1150510, 1495663, 1887730, 2876275, 2991326, 4719325, 5752550, 7478315, 9438650, 14956630, 19443619, 37391575, 38887238, 74783150, 97218095, 194436190, 486090475, 972180950]

約数ペア:

[(1, 972180950), (2, 486090475), (5, 194436190), (10, 97218095), (13, 74783150), (25, 38887238), (26, 37391575), (50, 19443619), (65, 14956630), (103, 9438650), (130, 7478315), (169, 5752550), (206, 4719325), (325, 2991326), (338, 2876275), (515, 1887730), (650, 1495663), (845, 1150510), (1030, 943865), (1117, 870350), (1339, 726050), (1690, 575255), (2234, 435175), (2575, 377546), (2678, 363025), (4225, 230102), (5150, 188773), (5585, 174070), (6695, 145210), (8450, 115051), (11170, 87035), (13390, 72605), (14521, 66950), (17407, 55850), (27925, 34814), (29042, 33475)]