207400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:94

約数の個数: 48

約数和(自身を含む): 518940

約数和(自身を除く): 311540

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 61, 68, 85, 100, 122, 136, 170, 200, 244, 305, 340, 425, 488, 610, 680, 850, 1037, 1220, 1525, 1700, 2074, 2440, 3050, 3400, 4148, 5185, 6100, 8296, 10370, 12200, 20740, 25925, 41480, 51850, 103700, 207400]

約数ペア:

[(1, 207400), (2, 103700), (4, 51850), (5, 41480), (8, 25925), (10, 20740), (17, 12200), (20, 10370), (25, 8296), (34, 6100), (40, 5185), (50, 4148), (61, 3400), (68, 3050), (85, 2440), (100, 2074), (122, 1700), (136, 1525), (170, 1220), (200, 1037), (244, 850), (305, 680), (340, 610), (425, 488)]