207948620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{30491}}^1$

素因数の和:30542

約数の個数: 48

約数和(自身を含む): 491774976

約数和(自身を除く): 283826356

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 30491, 60982, 121964, 152455, 304910, 335401, 609820, 670802, 945221, 1341604, 1677005, 1890442, 3354010, 3780884, 4726105, 6708020, 9452210, 10397431, 18904420, 20794862, 41589724, 51987155, 103974310, 207948620]

約数ペア:

[(1, 207948620), (2, 103974310), (4, 51987155), (5, 41589724), (10, 20794862), (11, 18904420), (20, 10397431), (22, 9452210), (31, 6708020), (44, 4726105), (55, 3780884), (62, 3354010), (110, 1890442), (124, 1677005), (155, 1341604), (220, 945221), (310, 670802), (341, 609820), (620, 335401), (682, 304910), (1364, 152455), (1705, 121964), (3410, 60982), (6820, 30491)]