401700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 1263808

約数和(自身を除く): 862108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 103, 130, 150, 156, 195, 206, 260, 300, 309, 325, 390, 412, 515, 618, 650, 780, 975, 1030, 1236, 1300, 1339, 1545, 1950, 2060, 2575, 2678, 3090, 3900, 4017, 5150, 5356, 6180, 6695, 7725, 8034, 10300, 13390, 15450, 16068, 20085, 26780, 30900, 33475, 40170, 66950, 80340, 100425, 133900, 200850, 401700]

約数ペア:

[(1, 401700), (2, 200850), (3, 133900), (4, 100425), (5, 80340), (6, 66950), (10, 40170), (12, 33475), (13, 30900), (15, 26780), (20, 20085), (25, 16068), (26, 15450), (30, 13390), (39, 10300), (50, 8034), (52, 7725), (60, 6695), (65, 6180), (75, 5356), (78, 5150), (100, 4017), (103, 3900), (130, 3090), (150, 2678), (156, 2575), (195, 2060), (206, 1950), (260, 1545), (300, 1339), (309, 1300), (325, 1236), (390, 1030), (412, 975), (515, 780), (618, 650)]