3669948820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^2\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:649

約数の個数: 72

約数和(自身を含む): 7924127400

約数和(自身を除く): 4254178580

約数列:

[1, 2, 4, 5, 10, 20, 71, 89, 142, 178, 284, 355, 356, 409, 445, 710, 818, 890, 1420, 1636, 1780, 2045, 4090, 5041, 6319, 8180, 10082, 12638, 20164, 25205, 25276, 29039, 31595, 36401, 50410, 58078, 63190, 72802, 100820, 116156, 126380, 145195, 145604, 182005, 290390, 364010, 448649, 580780, 728020, 897298, 1794596, 2061769, 2243245, 2584471, 4123538, 4486490, 5168942, 8247076, 8972980, 10308845, 10337884, 12922355, 20617690, 25844710, 41235380, 51689420, 183497441, 366994882, 733989764, 917487205, 1834974410, 3669948820]

約数ペア:

[(1, 3669948820), (2, 1834974410), (4, 917487205), (5, 733989764), (10, 366994882), (20, 183497441), (71, 51689420), (89, 41235380), (142, 25844710), (178, 20617690), (284, 12922355), (355, 10337884), (356, 10308845), (409, 8972980), (445, 8247076), (710, 5168942), (818, 4486490), (890, 4123538), (1420, 2584471), (1636, 2243245), (1780, 2061769), (2045, 1794596), (4090, 897298), (5041, 728020), (6319, 580780), (8180, 448649), (10082, 364010), (12638, 290390), (20164, 182005), (25205, 145604), (25276, 145195), (29039, 126380), (31595, 116156), (36401, 100820), (50410, 72802), (58078, 63190)]