207988220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{3413}}^1$

素因数の和:3710

約数の個数: 48

約数和(自身を含む): 478342368

約数和(自身を除く): 270354148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 277, 554, 1108, 1385, 2770, 3047, 3413, 5540, 6094, 6826, 12188, 13652, 15235, 17065, 30470, 34130, 37543, 60940, 68260, 75086, 150172, 187715, 375430, 750860, 945401, 1890802, 3781604, 4727005, 9454010, 10399411, 18908020, 20798822, 41597644, 51997055, 103994110, 207988220]

約数ペア:

[(1, 207988220), (2, 103994110), (4, 51997055), (5, 41597644), (10, 20798822), (11, 18908020), (20, 10399411), (22, 9454010), (44, 4727005), (55, 3781604), (110, 1890802), (220, 945401), (277, 750860), (554, 375430), (1108, 187715), (1385, 150172), (2770, 75086), (3047, 68260), (3413, 60940), (5540, 37543), (6094, 34130), (6826, 30470), (12188, 17065), (13652, 15235)]