207876500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31981}}^1$

素因数の和:32013

約数の個数: 48

約数和(自身を含む): 488940816

約数和(自身を除く): 281064316

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 31981, 63962, 127924, 159905, 319810, 415753, 639620, 799525, 831506, 1599050, 1663012, 2078765, 3198100, 3997625, 4157530, 7995250, 8315060, 10393825, 15990500, 20787650, 41575300, 51969125, 103938250, 207876500]

約数ペア:

[(1, 207876500), (2, 103938250), (4, 51969125), (5, 41575300), (10, 20787650), (13, 15990500), (20, 10393825), (25, 8315060), (26, 7995250), (50, 4157530), (52, 3997625), (65, 3198100), (100, 2078765), (125, 1663012), (130, 1599050), (250, 831506), (260, 799525), (325, 639620), (500, 415753), (650, 319810), (1300, 159905), (1625, 127924), (3250, 63962), (6500, 31981)]