157587500

素因数分解:

$2^2\times 5^5\times 7^1\times {\mathrm{1801}}^1$

素因数の和:1837

約数の個数: 72

約数和(自身を含む): 394162272

約数和(自身を除く): 236574772

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, 1801, 2500, 3125, 3500, 3602, 4375, 6250, 7204, 8750, 9005, 12500, 12607, 17500, 18010, 21875, 25214, 36020, 43750, 45025, 50428, 63035, 87500, 90050, 126070, 180100, 225125, 252140, 315175, 450250, 630350, 900500, 1125625, 1260700, 1575875, 2251250, 3151750, 4502500, 5628125, 6303500, 7879375, 11256250, 15758750, 22512500, 31517500, 39396875, 78793750, 157587500]

約数ペア:

[(1, 157587500), (2, 78793750), (4, 39396875), (5, 31517500), (7, 22512500), (10, 15758750), (14, 11256250), (20, 7879375), (25, 6303500), (28, 5628125), (35, 4502500), (50, 3151750), (70, 2251250), (100, 1575875), (125, 1260700), (140, 1125625), (175, 900500), (250, 630350), (350, 450250), (500, 315175), (625, 252140), (700, 225125), (875, 180100), (1250, 126070), (1750, 90050), (1801, 87500), (2500, 63035), (3125, 50428), (3500, 45025), (3602, 43750), (4375, 36020), (6250, 25214), (7204, 21875), (8750, 18010), (9005, 17500), (12500, 12607)]