213615920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1093}}^1$

素因数の和:1462

約数の個数: 80

約数和(自身を含む): 569755200

約数和(自身を除く): 356139280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 349, 560, 698, 1093, 1396, 1745, 2186, 2443, 2792, 3490, 4372, 4886, 5465, 5584, 6980, 7651, 8744, 9772, 10930, 12215, 13960, 15302, 17488, 19544, 21860, 24430, 27920, 30604, 38255, 39088, 43720, 48860, 61208, 76510, 87440, 97720, 122416, 153020, 195440, 306040, 381457, 612080, 762914, 1525828, 1907285, 2670199, 3051656, 3814570, 5340398, 6103312, 7629140, 10680796, 13350995, 15258280, 21361592, 26701990, 30516560, 42723184, 53403980, 106807960, 213615920]

約数ペア:

[(1, 213615920), (2, 106807960), (4, 53403980), (5, 42723184), (7, 30516560), (8, 26701990), (10, 21361592), (14, 15258280), (16, 13350995), (20, 10680796), (28, 7629140), (35, 6103312), (40, 5340398), (56, 3814570), (70, 3051656), (80, 2670199), (112, 1907285), (140, 1525828), (280, 762914), (349, 612080), (560, 381457), (698, 306040), (1093, 195440), (1396, 153020), (1745, 122416), (2186, 97720), (2443, 87440), (2792, 76510), (3490, 61208), (4372, 48860), (4886, 43720), (5465, 39088), (5584, 38255), (6980, 30604), (7651, 27920), (8744, 24430), (9772, 21860), (10930, 19544), (12215, 17488), (13960, 15302)]