207811400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61121}}^1$

素因数の和:61154

約数の個数: 48

約数和(自身を含む): 511591140

約数和(自身を除く): 303779740

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 61121, 122242, 244484, 305605, 488968, 611210, 1039057, 1222420, 1528025, 2078114, 2444840, 3056050, 4156228, 5195285, 6112100, 8312456, 10390570, 12224200, 20781140, 25976425, 41562280, 51952850, 103905700, 207811400]

約数ペア:

[(1, 207811400), (2, 103905700), (4, 51952850), (5, 41562280), (8, 25976425), (10, 20781140), (17, 12224200), (20, 10390570), (25, 8312456), (34, 6112100), (40, 5195285), (50, 4156228), (68, 3056050), (85, 2444840), (100, 2078114), (136, 1528025), (170, 1222420), (200, 1039057), (340, 611210), (425, 488968), (680, 305605), (850, 244484), (1700, 122242), (3400, 61121)]