199902500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{11423}}^1$

素因数の和:11454

約数の個数: 60

約数和(自身を含む): 499640064

約数和(自身を除く): 299737564

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, 11423, 17500, 22846, 45692, 57115, 79961, 114230, 159922, 228460, 285575, 319844, 399805, 571150, 799610, 1142300, 1427875, 1599220, 1999025, 2855750, 3998050, 5711500, 7139375, 7996100, 9995125, 14278750, 19990250, 28557500, 39980500, 49975625, 99951250, 199902500]

約数ペア:

[(1, 199902500), (2, 99951250), (4, 49975625), (5, 39980500), (7, 28557500), (10, 19990250), (14, 14278750), (20, 9995125), (25, 7996100), (28, 7139375), (35, 5711500), (50, 3998050), (70, 2855750), (100, 1999025), (125, 1599220), (140, 1427875), (175, 1142300), (250, 799610), (350, 571150), (500, 399805), (625, 319844), (700, 285575), (875, 228460), (1250, 159922), (1750, 114230), (2500, 79961), (3500, 57115), (4375, 45692), (8750, 22846), (11423, 17500)]