221427500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{12653}}^1$

素因数の和:12684

約数の個数: 60

約数和(自身を含む): 553435344

約数和(自身を除く): 332007844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 625, 700, 875, 1250, 1750, 2500, 3500, 4375, 8750, 12653, 17500, 25306, 50612, 63265, 88571, 126530, 177142, 253060, 316325, 354284, 442855, 632650, 885710, 1265300, 1581625, 1771420, 2214275, 3163250, 4428550, 6326500, 7908125, 8857100, 11071375, 15816250, 22142750, 31632500, 44285500, 55356875, 110713750, 221427500]

約数ペア:

[(1, 221427500), (2, 110713750), (4, 55356875), (5, 44285500), (7, 31632500), (10, 22142750), (14, 15816250), (20, 11071375), (25, 8857100), (28, 7908125), (35, 6326500), (50, 4428550), (70, 3163250), (100, 2214275), (125, 1771420), (140, 1581625), (175, 1265300), (250, 885710), (350, 632650), (500, 442855), (625, 354284), (700, 316325), (875, 253060), (1250, 177142), (1750, 126530), (2500, 88571), (3500, 63265), (4375, 50612), (8750, 25306), (12653, 17500)]