203934250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{479}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 415134720

約数和(自身を除く): 211200470

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 131, 250, 262, 325, 479, 650, 655, 958, 1310, 1625, 1703, 2395, 3250, 3275, 3406, 4790, 6227, 6550, 8515, 11975, 12454, 16375, 17030, 23950, 31135, 32750, 42575, 59875, 62270, 62749, 85150, 119750, 125498, 155675, 212875, 311350, 313745, 425750, 627490, 778375, 815737, 1556750, 1568725, 1631474, 3137450, 4078685, 7843625, 8157370, 15687250, 20393425, 40786850, 101967125, 203934250]

約数ペア:

[(1, 203934250), (2, 101967125), (5, 40786850), (10, 20393425), (13, 15687250), (25, 8157370), (26, 7843625), (50, 4078685), (65, 3137450), (125, 1631474), (130, 1568725), (131, 1556750), (250, 815737), (262, 778375), (325, 627490), (479, 425750), (650, 313745), (655, 311350), (958, 212875), (1310, 155675), (1625, 125498), (1703, 119750), (2395, 85150), (3250, 62749), (3275, 62270), (3406, 59875), (4790, 42575), (6227, 32750), (6550, 31135), (8515, 23950), (11975, 17030), (12454, 16375)]