220519600

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{11251}}^1$

素因数の和:11283

約数の個数: 90

約数和(自身を含む): 616350804

約数和(自身を除く): 395831204

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2450, 2800, 3920, 4900, 9800, 11251, 19600, 22502, 45004, 56255, 78757, 90008, 112510, 157514, 180016, 225020, 281275, 315028, 393785, 450040, 551299, 562550, 630056, 787570, 900080, 1102598, 1125100, 1260112, 1575140, 1968925, 2205196, 2250200, 2756495, 3150280, 3937850, 4410392, 4500400, 5512990, 6300560, 7875700, 8820784, 11025980, 13782475, 15751400, 22051960, 27564950, 31502800, 44103920, 55129900, 110259800, 220519600]

約数ペア:

[(1, 220519600), (2, 110259800), (4, 55129900), (5, 44103920), (7, 31502800), (8, 27564950), (10, 22051960), (14, 15751400), (16, 13782475), (20, 11025980), (25, 8820784), (28, 7875700), (35, 6300560), (40, 5512990), (49, 4500400), (50, 4410392), (56, 3937850), (70, 3150280), (80, 2756495), (98, 2250200), (100, 2205196), (112, 1968925), (140, 1575140), (175, 1260112), (196, 1125100), (200, 1102598), (245, 900080), (280, 787570), (350, 630056), (392, 562550), (400, 551299), (490, 450040), (560, 393785), (700, 315028), (784, 281275), (980, 225020), (1225, 180016), (1400, 157514), (1960, 112510), (2450, 90008), (2800, 78757), (3920, 56255), (4900, 45004), (9800, 22502), (11251, 19600)]