550220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 1312416

約数和(自身を除く): 762196

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 61, 82, 110, 122, 164, 205, 220, 244, 305, 410, 451, 610, 671, 820, 902, 1220, 1342, 1804, 2255, 2501, 2684, 3355, 4510, 5002, 6710, 9020, 10004, 12505, 13420, 25010, 27511, 50020, 55022, 110044, 137555, 275110, 550220]

約数ペア:

[(1, 550220), (2, 275110), (4, 137555), (5, 110044), (10, 55022), (11, 50020), (20, 27511), (22, 25010), (41, 13420), (44, 12505), (55, 10004), (61, 9020), (82, 6710), (110, 5002), (122, 4510), (164, 3355), (205, 2684), (220, 2501), (244, 2255), (305, 1804), (410, 1342), (451, 1220), (610, 902), (671, 820)]