85821890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{491}}^1$

素因数の和:743

約数の個数: 64

約数和(自身を含む): 193840128

約数和(自身を除く): 108018238

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 227, 385, 454, 491, 770, 982, 1135, 1589, 2270, 2455, 2497, 3178, 3437, 4910, 4994, 5401, 6874, 7945, 10802, 12485, 15890, 17185, 17479, 24970, 27005, 34370, 34958, 37807, 54010, 75614, 87395, 111457, 174790, 189035, 222914, 378070, 557285, 780199, 1114570, 1226027, 1560398, 2452054, 3900995, 6130135, 7801990, 8582189, 12260270, 17164378, 42910945, 85821890]

約数ペア:

[(1, 85821890), (2, 42910945), (5, 17164378), (7, 12260270), (10, 8582189), (11, 7801990), (14, 6130135), (22, 3900995), (35, 2452054), (55, 1560398), (70, 1226027), (77, 1114570), (110, 780199), (154, 557285), (227, 378070), (385, 222914), (454, 189035), (491, 174790), (770, 111457), (982, 87395), (1135, 75614), (1589, 54010), (2270, 37807), (2455, 34958), (2497, 34370), (3178, 27005), (3437, 24970), (4910, 17479), (4994, 17185), (5401, 15890), (6874, 12485), (7945, 10802)]