201779825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 283315200

約数和(自身を除く): 81535375

約数列:

[1, 5, 13, 25, 29, 65, 79, 145, 271, 325, 377, 395, 725, 1027, 1355, 1885, 1975, 2291, 3523, 5135, 6775, 7859, 9425, 11455, 17615, 21409, 25675, 29783, 39295, 57275, 88075, 102167, 107045, 148915, 196475, 278317, 510835, 535225, 620861, 744575, 1391585, 2554175, 3104305, 6957925, 8071193, 15521525, 40355965, 201779825]

約数ペア:

[(1, 201779825), (5, 40355965), (13, 15521525), (25, 8071193), (29, 6957925), (65, 3104305), (79, 2554175), (145, 1391585), (271, 744575), (325, 620861), (377, 535225), (395, 510835), (725, 278317), (1027, 196475), (1355, 148915), (1885, 107045), (1975, 102167), (2291, 88075), (3523, 57275), (5135, 39295), (6775, 29783), (7859, 25675), (9425, 21409), (11455, 17615)]