205840400

素因数分解:

$2^4\times 5^2\times {\mathrm{347}}^1\times {\mathrm{1483}}^1$

素因数の和:1848

約数の個数: 60

約数和(自身を含む): 496291152

約数和(自身を除く): 290450752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 347, 400, 694, 1388, 1483, 1735, 2776, 2966, 3470, 5552, 5932, 6940, 7415, 8675, 11864, 13880, 14830, 17350, 23728, 27760, 29660, 34700, 37075, 59320, 69400, 74150, 118640, 138800, 148300, 296600, 514601, 593200, 1029202, 2058404, 2573005, 4116808, 5146010, 8233616, 10292020, 12865025, 20584040, 25730050, 41168080, 51460100, 102920200, 205840400]

約数ペア:

[(1, 205840400), (2, 102920200), (4, 51460100), (5, 41168080), (8, 25730050), (10, 20584040), (16, 12865025), (20, 10292020), (25, 8233616), (40, 5146010), (50, 4116808), (80, 2573005), (100, 2058404), (200, 1029202), (347, 593200), (400, 514601), (694, 296600), (1388, 148300), (1483, 138800), (1735, 118640), (2776, 74150), (2966, 69400), (3470, 59320), (5552, 37075), (5932, 34700), (6940, 29660), (7415, 27760), (8675, 23728), (11864, 17350), (13880, 14830)]