221488400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{79103}}^1$

素因数の和:79128

約数の個数: 60

約数和(自身を含む): 608151552

約数和(自身を除く): 386663152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 79103, 158206, 316412, 395515, 553721, 632824, 791030, 1107442, 1265648, 1582060, 1977575, 2214884, 2768605, 3164120, 3955150, 4429768, 5537210, 6328240, 7910300, 8859536, 11074420, 13843025, 15820600, 22148840, 27686050, 31641200, 44297680, 55372100, 110744200, 221488400]

約数ペア:

[(1, 221488400), (2, 110744200), (4, 55372100), (5, 44297680), (7, 31641200), (8, 27686050), (10, 22148840), (14, 15820600), (16, 13843025), (20, 11074420), (25, 8859536), (28, 7910300), (35, 6328240), (40, 5537210), (50, 4429768), (56, 3955150), (70, 3164120), (80, 2768605), (100, 2214884), (112, 1977575), (140, 1582060), (175, 1265648), (200, 1107442), (280, 791030), (350, 632824), (400, 553721), (560, 395515), (700, 316412), (1400, 158206), (2800, 79103)]