201899390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^4\times {\mathrm{197}}^1$

素因数の和:255

約数の個数: 80

約数和(自身を含む): 459185760

約数和(自身を除く): 257286370

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 197, 242, 385, 394, 605, 770, 847, 985, 1210, 1331, 1379, 1694, 1970, 2167, 2662, 2758, 4235, 4334, 6655, 6895, 8470, 9317, 10835, 13310, 13790, 14641, 15169, 18634, 21670, 23837, 29282, 30338, 46585, 47674, 73205, 75845, 93170, 102487, 119185, 146410, 151690, 166859, 204974, 238370, 262207, 333718, 512435, 524414, 834295, 1024870, 1311035, 1668590, 1835449, 2622070, 2884277, 3670898, 5768554, 9177245, 14421385, 18354490, 20189939, 28842770, 40379878, 100949695, 201899390]

約数ペア:

[(1, 201899390), (2, 100949695), (5, 40379878), (7, 28842770), (10, 20189939), (11, 18354490), (14, 14421385), (22, 9177245), (35, 5768554), (55, 3670898), (70, 2884277), (77, 2622070), (110, 1835449), (121, 1668590), (154, 1311035), (197, 1024870), (242, 834295), (385, 524414), (394, 512435), (605, 333718), (770, 262207), (847, 238370), (985, 204974), (1210, 166859), (1331, 151690), (1379, 146410), (1694, 119185), (1970, 102487), (2167, 93170), (2662, 75845), (2758, 73205), (4235, 47674), (4334, 46585), (6655, 30338), (6895, 29282), (8470, 23837), (9317, 21670), (10835, 18634), (13310, 15169), (13790, 14641)]