72351800

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:285

約数の個数: 96

約数和(自身を含む): 176774400

約数和(自身を除く): 104422600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 47, 50, 86, 94, 100, 172, 179, 188, 200, 215, 235, 344, 358, 376, 430, 470, 716, 860, 895, 940, 1075, 1175, 1432, 1720, 1790, 1880, 2021, 2150, 2350, 3580, 4042, 4300, 4475, 4700, 7160, 7697, 8084, 8413, 8600, 8950, 9400, 10105, 15394, 16168, 16826, 17900, 20210, 30788, 33652, 35800, 38485, 40420, 42065, 50525, 61576, 67304, 76970, 80840, 84130, 101050, 153940, 168260, 192425, 202100, 210325, 307880, 336520, 361759, 384850, 404200, 420650, 723518, 769700, 841300, 1447036, 1539400, 1682600, 1808795, 2894072, 3617590, 7235180, 9043975, 14470360, 18087950, 36175900, 72351800]

約数ペア:

[(1, 72351800), (2, 36175900), (4, 18087950), (5, 14470360), (8, 9043975), (10, 7235180), (20, 3617590), (25, 2894072), (40, 1808795), (43, 1682600), (47, 1539400), (50, 1447036), (86, 841300), (94, 769700), (100, 723518), (172, 420650), (179, 404200), (188, 384850), (200, 361759), (215, 336520), (235, 307880), (344, 210325), (358, 202100), (376, 192425), (430, 168260), (470, 153940), (716, 101050), (860, 84130), (895, 80840), (940, 76970), (1075, 67304), (1175, 61576), (1432, 50525), (1720, 42065), (1790, 40420), (1880, 38485), (2021, 35800), (2150, 33652), (2350, 30788), (3580, 20210), (4042, 17900), (4300, 16826), (4475, 16168), (4700, 15394), (7160, 10105), (7697, 9400), (8084, 8950), (8413, 8600)]