205700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1$

素因数の和:53

約数の個数: 54

約数和(自身を含む): 519498

約数和(自身を除く): 313798

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 100, 110, 121, 170, 187, 220, 242, 275, 340, 374, 425, 484, 550, 605, 748, 850, 935, 1100, 1210, 1700, 1870, 2057, 2420, 3025, 3740, 4114, 4675, 6050, 8228, 9350, 10285, 12100, 18700, 20570, 41140, 51425, 102850, 205700]

約数ペア:

[(1, 205700), (2, 102850), (4, 51425), (5, 41140), (10, 20570), (11, 18700), (17, 12100), (20, 10285), (22, 9350), (25, 8228), (34, 6050), (44, 4675), (50, 4114), (55, 3740), (68, 3025), (85, 2420), (100, 2057), (110, 1870), (121, 1700), (170, 1210), (187, 1100), (220, 935), (242, 850), (275, 748), (340, 605), (374, 550), (425, 484)]