393744400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{20089}}^1$

素因数の和:20121

約数の個数: 90

約数和(自身を含む): 1100469930

約数和(自身を除く): 706725530

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2450, 2800, 3920, 4900, 9800, 19600, 20089, 40178, 80356, 100445, 140623, 160712, 200890, 281246, 321424, 401780, 502225, 562492, 703115, 803560, 984361, 1004450, 1124984, 1406230, 1607120, 1968722, 2008900, 2249968, 2812460, 3515575, 3937444, 4017800, 4921805, 5624920, 7031150, 7874888, 8035600, 9843610, 11249840, 14062300, 15749776, 19687220, 24609025, 28124600, 39374440, 49218050, 56249200, 78748880, 98436100, 196872200, 393744400]

約数ペア:

[(1, 393744400), (2, 196872200), (4, 98436100), (5, 78748880), (7, 56249200), (8, 49218050), (10, 39374440), (14, 28124600), (16, 24609025), (20, 19687220), (25, 15749776), (28, 14062300), (35, 11249840), (40, 9843610), (49, 8035600), (50, 7874888), (56, 7031150), (70, 5624920), (80, 4921805), (98, 4017800), (100, 3937444), (112, 3515575), (140, 2812460), (175, 2249968), (196, 2008900), (200, 1968722), (245, 1607120), (280, 1406230), (350, 1124984), (392, 1004450), (400, 984361), (490, 803560), (560, 703115), (700, 562492), (784, 502225), (980, 401780), (1225, 321424), (1400, 281246), (1960, 200890), (2450, 160712), (2800, 140623), (3920, 100445), (4900, 80356), (9800, 40178), (19600, 20089)]