201421000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{18311}}^1$

素因数の和:18343

約数の個数: 64

約数和(自身を含む): 514200960

約数和(自身を除く): 312779960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 440, 500, 550, 1000, 1100, 1375, 2200, 2750, 5500, 11000, 18311, 36622, 73244, 91555, 146488, 183110, 201421, 366220, 402842, 457775, 732440, 805684, 915550, 1007105, 1611368, 1831100, 2014210, 2288875, 3662200, 4028420, 4577750, 5035525, 8056840, 9155500, 10071050, 18311000, 20142100, 25177625, 40284200, 50355250, 100710500, 201421000]

約数ペア:

[(1, 201421000), (2, 100710500), (4, 50355250), (5, 40284200), (8, 25177625), (10, 20142100), (11, 18311000), (20, 10071050), (22, 9155500), (25, 8056840), (40, 5035525), (44, 4577750), (50, 4028420), (55, 3662200), (88, 2288875), (100, 2014210), (110, 1831100), (125, 1611368), (200, 1007105), (220, 915550), (250, 805684), (275, 732440), (440, 457775), (500, 402842), (550, 366220), (1000, 201421), (1100, 183110), (1375, 146488), (2200, 91555), (2750, 73244), (5500, 36622), (11000, 18311)]