8678500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{1021}}^1$

素因数の和:1057

約数の個数: 48

約数和(自身を含む): 20088432

約数和(自身を除く): 11409932

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 850, 1021, 1700, 2042, 2125, 4084, 4250, 5105, 8500, 10210, 17357, 20420, 25525, 34714, 51050, 69428, 86785, 102100, 127625, 173570, 255250, 347140, 433925, 510500, 867850, 1735700, 2169625, 4339250, 8678500]

約数ペア:

[(1, 8678500), (2, 4339250), (4, 2169625), (5, 1735700), (10, 867850), (17, 510500), (20, 433925), (25, 347140), (34, 255250), (50, 173570), (68, 127625), (85, 102100), (100, 86785), (125, 69428), (170, 51050), (250, 34714), (340, 25525), (425, 20420), (500, 17357), (850, 10210), (1021, 8500), (1700, 5105), (2042, 4250), (2125, 4084)]