18335800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{1871}}^1$

素因数の和:1901

約数の個数: 72

約数和(自身を含む): 49617360

約数和(自身を除く): 31281560

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, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1871, 1960, 2450, 3742, 4900, 7484, 9355, 9800, 13097, 14968, 18710, 26194, 37420, 46775, 52388, 65485, 74840, 91679, 93550, 104776, 130970, 183358, 187100, 261940, 327425, 366716, 374200, 458395, 523880, 654850, 733432, 916790, 1309700, 1833580, 2291975, 2619400, 3667160, 4583950, 9167900, 18335800]

約数ペア:

[(1, 18335800), (2, 9167900), (4, 4583950), (5, 3667160), (7, 2619400), (8, 2291975), (10, 1833580), (14, 1309700), (20, 916790), (25, 733432), (28, 654850), (35, 523880), (40, 458395), (49, 374200), (50, 366716), (56, 327425), (70, 261940), (98, 187100), (100, 183358), (140, 130970), (175, 104776), (196, 93550), (200, 91679), (245, 74840), (280, 65485), (350, 52388), (392, 46775), (490, 37420), (700, 26194), (980, 18710), (1225, 14968), (1400, 13097), (1871, 9800), (1960, 9355), (2450, 7484), (3742, 4900)]