389842380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113989}}^1$

素因数の和:114023

約数の個数: 72

約数和(自身を含む): 1244770800

約数和(自身を除く): 854928420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 113989, 227978, 341967, 455956, 569945, 683934, 1025901, 1139890, 1367868, 1709835, 2051802, 2165791, 2279780, 3419670, 4103604, 4331582, 5129505, 6497373, 6839340, 8663164, 10259010, 10828955, 12994746, 19492119, 20518020, 21657910, 25989492, 32486865, 38984238, 43315820, 64973730, 77968476, 97460595, 129947460, 194921190, 389842380]

約数ペア:

[(1, 389842380), (2, 194921190), (3, 129947460), (4, 97460595), (5, 77968476), (6, 64973730), (9, 43315820), (10, 38984238), (12, 32486865), (15, 25989492), (18, 21657910), (19, 20518020), (20, 19492119), (30, 12994746), (36, 10828955), (38, 10259010), (45, 8663164), (57, 6839340), (60, 6497373), (76, 5129505), (90, 4331582), (95, 4103604), (114, 3419670), (171, 2279780), (180, 2165791), (190, 2051802), (228, 1709835), (285, 1367868), (342, 1139890), (380, 1025901), (570, 683934), (684, 569945), (855, 455956), (1140, 341967), (1710, 227978), (3420, 113989)]