20170352500

素因数分解:

$2^2\times 5^4\times {\mathrm{19}}^1\times {\mathrm{424639}}^1$

素因数の和:424682

約数の個数: 60

約数和(自身を含む): 46430137600

約数和(自身を除く): 26259785100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 625, 950, 1250, 1900, 2375, 2500, 4750, 9500, 11875, 23750, 47500, 424639, 849278, 1698556, 2123195, 4246390, 8068141, 8492780, 10615975, 16136282, 21231950, 32272564, 40340705, 42463900, 53079875, 80681410, 106159750, 161362820, 201703525, 212319500, 265399375, 403407050, 530798750, 806814100, 1008517625, 1061597500, 2017035250, 4034070500, 5042588125, 10085176250, 20170352500]

約数ペア:

[(1, 20170352500), (2, 10085176250), (4, 5042588125), (5, 4034070500), (10, 2017035250), (19, 1061597500), (20, 1008517625), (25, 806814100), (38, 530798750), (50, 403407050), (76, 265399375), (95, 212319500), (100, 201703525), (125, 161362820), (190, 106159750), (250, 80681410), (380, 53079875), (475, 42463900), (500, 40340705), (625, 32272564), (950, 21231950), (1250, 16136282), (1900, 10615975), (2375, 8492780), (2500, 8068141), (4750, 4246390), (9500, 2123195), (11875, 1698556), (23750, 849278), (47500, 424639)]