205480360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{673}}^1$

素因数の和:1150

約数の個数: 64

約数和(自身を含む): 491346000

約数和(自身を除く): 285865640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 449, 673, 680, 898, 1346, 1796, 2245, 2692, 3365, 3592, 4490, 5384, 6730, 7633, 8980, 11441, 13460, 15266, 17960, 22882, 26920, 30532, 38165, 45764, 57205, 61064, 76330, 91528, 114410, 152660, 228820, 302177, 305320, 457640, 604354, 1208708, 1510885, 2417416, 3021770, 5137009, 6043540, 10274018, 12087080, 20548036, 25685045, 41096072, 51370090, 102740180, 205480360]

約数ペア:

[(1, 205480360), (2, 102740180), (4, 51370090), (5, 41096072), (8, 25685045), (10, 20548036), (17, 12087080), (20, 10274018), (34, 6043540), (40, 5137009), (68, 3021770), (85, 2417416), (136, 1510885), (170, 1208708), (340, 604354), (449, 457640), (673, 305320), (680, 302177), (898, 228820), (1346, 152660), (1796, 114410), (2245, 91528), (2692, 76330), (3365, 61064), (3592, 57205), (4490, 45764), (5384, 38165), (6730, 30532), (7633, 26920), (8980, 22882), (11441, 17960), (13460, 15266)]