51186800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:307

約数の個数: 120

約数和(自身を含む): 142720032

約数和(自身を除く): 91533232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 101, 112, 140, 175, 181, 200, 202, 280, 350, 362, 400, 404, 505, 560, 700, 707, 724, 808, 905, 1010, 1267, 1400, 1414, 1448, 1616, 1810, 2020, 2525, 2534, 2800, 2828, 2896, 3535, 3620, 4040, 4525, 5050, 5068, 5656, 6335, 7070, 7240, 8080, 9050, 10100, 10136, 11312, 12670, 14140, 14480, 17675, 18100, 18281, 20200, 20272, 25340, 28280, 31675, 35350, 36200, 36562, 40400, 50680, 56560, 63350, 70700, 72400, 73124, 91405, 101360, 126700, 127967, 141400, 146248, 182810, 253400, 255934, 282800, 292496, 365620, 457025, 506800, 511868, 639835, 731240, 914050, 1023736, 1279670, 1462480, 1828100, 2047472, 2559340, 3199175, 3656200, 5118680, 6398350, 7312400, 10237360, 12796700, 25593400, 51186800]

約数ペア:

[(1, 51186800), (2, 25593400), (4, 12796700), (5, 10237360), (7, 7312400), (8, 6398350), (10, 5118680), (14, 3656200), (16, 3199175), (20, 2559340), (25, 2047472), (28, 1828100), (35, 1462480), (40, 1279670), (50, 1023736), (56, 914050), (70, 731240), (80, 639835), (100, 511868), (101, 506800), (112, 457025), (140, 365620), (175, 292496), (181, 282800), (200, 255934), (202, 253400), (280, 182810), (350, 146248), (362, 141400), (400, 127967), (404, 126700), (505, 101360), (560, 91405), (700, 73124), (707, 72400), (724, 70700), (808, 63350), (905, 56560), (1010, 50680), (1267, 40400), (1400, 36562), (1414, 36200), (1448, 35350), (1616, 31675), (1810, 28280), (2020, 25340), (2525, 20272), (2534, 20200), (2800, 18281), (2828, 18100), (2896, 17675), (3535, 14480), (3620, 14140), (4040, 12670), (4525, 11312), (5050, 10136), (5068, 10100), (5656, 9050), (6335, 8080), (7070, 7240)]