208860010

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^2$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 403543296

約数和(自身を除く): 194683286

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 139, 230, 235, 278, 470, 695, 1081, 1390, 2162, 3197, 5405, 6394, 6533, 10810, 13066, 15985, 19321, 31970, 32665, 38642, 65330, 96605, 150259, 193210, 300518, 444383, 751295, 888766, 908087, 1502590, 1816174, 2221915, 4443830, 4540435, 9080870, 20886001, 41772002, 104430005, 208860010]

約数ペア:

[(1, 208860010), (2, 104430005), (5, 41772002), (10, 20886001), (23, 9080870), (46, 4540435), (47, 4443830), (94, 2221915), (115, 1816174), (139, 1502590), (230, 908087), (235, 888766), (278, 751295), (470, 444383), (695, 300518), (1081, 193210), (1390, 150259), (2162, 96605), (3197, 65330), (5405, 38642), (6394, 32665), (6533, 31970), (10810, 19321), (13066, 15985)]