18729123800

素因数分解:

$2^3\times 5^2\times {\mathrm{163}}^1\times {\mathrm{199}}^1\times {\mathrm{2887}}^1$

素因数の和:3265

約数の個数: 96

約数和(自身を含む): 44047776000

約数和(自身を除く): 25318652200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 163, 199, 200, 326, 398, 652, 796, 815, 995, 1304, 1592, 1630, 1990, 2887, 3260, 3980, 4075, 4975, 5774, 6520, 7960, 8150, 9950, 11548, 14435, 16300, 19900, 23096, 28870, 32437, 32600, 39800, 57740, 64874, 72175, 115480, 129748, 144350, 162185, 259496, 288700, 324370, 470581, 574513, 577400, 648740, 810925, 941162, 1149026, 1297480, 1621850, 1882324, 2298052, 2352905, 2872565, 3243700, 3764648, 4596104, 4705810, 5745130, 6487400, 9411620, 11490260, 11764525, 14362825, 18823240, 22980520, 23529050, 28725650, 47058100, 57451300, 93645619, 94116200, 114902600, 187291238, 374582476, 468228095, 749164952, 936456190, 1872912380, 2341140475, 3745824760, 4682280950, 9364561900, 18729123800]

約数ペア:

[(1, 18729123800), (2, 9364561900), (4, 4682280950), (5, 3745824760), (8, 2341140475), (10, 1872912380), (20, 936456190), (25, 749164952), (40, 468228095), (50, 374582476), (100, 187291238), (163, 114902600), (199, 94116200), (200, 93645619), (326, 57451300), (398, 47058100), (652, 28725650), (796, 23529050), (815, 22980520), (995, 18823240), (1304, 14362825), (1592, 11764525), (1630, 11490260), (1990, 9411620), (2887, 6487400), (3260, 5745130), (3980, 4705810), (4075, 4596104), (4975, 3764648), (5774, 3243700), (6520, 2872565), (7960, 2352905), (8150, 2298052), (9950, 1882324), (11548, 1621850), (14435, 1297480), (16300, 1149026), (19900, 941162), (23096, 810925), (28870, 648740), (32437, 577400), (32600, 574513), (39800, 470581), (57740, 324370), (64874, 288700), (72175, 259496), (115480, 162185), (129748, 144350)]