678237950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61379}}^1$

素因数の和:61421

約数の個数: 48

約数和(自身を含む): 1438501680

約数和(自身を除く): 760263730

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 425, 442, 650, 850, 1105, 2210, 5525, 11050, 61379, 122758, 306895, 613790, 797927, 1043443, 1534475, 1595854, 2086886, 3068950, 3989635, 5217215, 7979270, 10434430, 13564759, 19948175, 26086075, 27129518, 39896350, 52172150, 67823795, 135647590, 339118975, 678237950]

約数ペア:

[(1, 678237950), (2, 339118975), (5, 135647590), (10, 67823795), (13, 52172150), (17, 39896350), (25, 27129518), (26, 26086075), (34, 19948175), (50, 13564759), (65, 10434430), (85, 7979270), (130, 5217215), (170, 3989635), (221, 3068950), (325, 2086886), (425, 1595854), (442, 1534475), (650, 1043443), (850, 797927), (1105, 613790), (2210, 306895), (5525, 122758), (11050, 61379)]