199895800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{76883}}^1$

素因数の和:76912

約数の個数: 48

約数和(自身を含む): 500514840

約数和(自身を除く): 300619040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 76883, 153766, 307532, 384415, 615064, 768830, 999479, 1537660, 1922075, 1998958, 3075320, 3844150, 3997916, 4997395, 7688300, 7995832, 9994790, 15376600, 19989580, 24986975, 39979160, 49973950, 99947900, 199895800]

約数ペア:

[(1, 199895800), (2, 99947900), (4, 49973950), (5, 39979160), (8, 24986975), (10, 19989580), (13, 15376600), (20, 9994790), (25, 7995832), (26, 7688300), (40, 4997395), (50, 3997916), (52, 3844150), (65, 3075320), (100, 1998958), (104, 1922075), (130, 1537660), (200, 999479), (260, 768830), (325, 615064), (520, 384415), (650, 307532), (1300, 153766), (2600, 76883)]