53403980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1093}}^1$

素因数の和:1458

約数の個数: 48

約数和(自身を含む): 128654400

約数和(自身を除く): 75250420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 349, 698, 1093, 1396, 1745, 2186, 2443, 3490, 4372, 4886, 5465, 6980, 7651, 9772, 10930, 12215, 15302, 21860, 24430, 30604, 38255, 48860, 76510, 153020, 381457, 762914, 1525828, 1907285, 2670199, 3814570, 5340398, 7629140, 10680796, 13350995, 26701990, 53403980]

約数ペア:

[(1, 53403980), (2, 26701990), (4, 13350995), (5, 10680796), (7, 7629140), (10, 5340398), (14, 3814570), (20, 2670199), (28, 1907285), (35, 1525828), (70, 762914), (140, 381457), (349, 153020), (698, 76510), (1093, 48860), (1396, 38255), (1745, 30604), (2186, 24430), (2443, 21860), (3490, 15302), (4372, 12215), (4886, 10930), (5465, 9772), (6980, 7651)]