204534220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{15241}}^1$

素因数の和:15322

約数の個数: 48

約数和(自身を含む): 476282016

約数和(自身を除く): 271747796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 6710, 13420, 15241, 30482, 60964, 76205, 152410, 167651, 304820, 335302, 670604, 838255, 929701, 1676510, 1859402, 3353020, 3718804, 4648505, 9297010, 10226711, 18594020, 20453422, 40906844, 51133555, 102267110, 204534220]

約数ペア:

[(1, 204534220), (2, 102267110), (4, 51133555), (5, 40906844), (10, 20453422), (11, 18594020), (20, 10226711), (22, 9297010), (44, 4648505), (55, 3718804), (61, 3353020), (110, 1859402), (122, 1676510), (220, 929701), (244, 838255), (305, 670604), (610, 335302), (671, 304820), (1220, 167651), (1342, 152410), (2684, 76205), (3355, 60964), (6710, 30482), (13420, 15241)]