61999700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{12653}}^1$

素因数の和:12681

約数の個数: 54

約数和(自身を含む): 156517326

約数和(自身を除く): 94517626

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 12653, 25306, 50612, 63265, 88571, 126530, 177142, 253060, 316325, 354284, 442855, 619997, 632650, 885710, 1239994, 1265300, 1771420, 2214275, 2479988, 3099985, 4428550, 6199970, 8857100, 12399940, 15499925, 30999850, 61999700]

約数ペア:

[(1, 61999700), (2, 30999850), (4, 15499925), (5, 12399940), (7, 8857100), (10, 6199970), (14, 4428550), (20, 3099985), (25, 2479988), (28, 2214275), (35, 1771420), (49, 1265300), (50, 1239994), (70, 885710), (98, 632650), (100, 619997), (140, 442855), (175, 354284), (196, 316325), (245, 253060), (350, 177142), (490, 126530), (700, 88571), (980, 63265), (1225, 50612), (2450, 25306), (4900, 12653)]