128528500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{15121}}^1$

素因数の和:15157

約数の個数: 48

約数和(自身を含む): 297238032

約数和(自身を除く): 168709532

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 850, 1700, 2125, 4250, 8500, 15121, 30242, 60484, 75605, 151210, 257057, 302420, 378025, 514114, 756050, 1028228, 1285285, 1512100, 1890125, 2570570, 3780250, 5141140, 6426425, 7560500, 12852850, 25705700, 32132125, 64264250, 128528500]

約数ペア:

[(1, 128528500), (2, 64264250), (4, 32132125), (5, 25705700), (10, 12852850), (17, 7560500), (20, 6426425), (25, 5141140), (34, 3780250), (50, 2570570), (68, 1890125), (85, 1512100), (100, 1285285), (125, 1028228), (170, 756050), (250, 514114), (340, 378025), (425, 302420), (500, 257057), (850, 151210), (1700, 75605), (2125, 60484), (4250, 30242), (8500, 15121)]