2185400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{223}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 5937120

約数和(自身を除く): 3751720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 223, 245, 280, 350, 392, 446, 490, 700, 892, 980, 1115, 1225, 1400, 1561, 1784, 1960, 2230, 2450, 3122, 4460, 4900, 5575, 6244, 7805, 8920, 9800, 10927, 11150, 12488, 15610, 21854, 22300, 31220, 39025, 43708, 44600, 54635, 62440, 78050, 87416, 109270, 156100, 218540, 273175, 312200, 437080, 546350, 1092700, 2185400]

約数ペア:

[(1, 2185400), (2, 1092700), (4, 546350), (5, 437080), (7, 312200), (8, 273175), (10, 218540), (14, 156100), (20, 109270), (25, 87416), (28, 78050), (35, 62440), (40, 54635), (49, 44600), (50, 43708), (56, 39025), (70, 31220), (98, 22300), (100, 21854), (140, 15610), (175, 12488), (196, 11150), (200, 10927), (223, 9800), (245, 8920), (280, 7805), (350, 6244), (392, 5575), (446, 4900), (490, 4460), (700, 3122), (892, 2450), (980, 2230), (1115, 1960), (1225, 1784), (1400, 1561)]