138491190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{80989}}^1$

素因数の和:81021

約数の個数: 48

約数和(自身を含む): 379033200

約数和(自身を除く): 240542010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 80989, 161978, 242967, 404945, 485934, 728901, 809890, 1214835, 1457802, 1538791, 2429670, 3077582, 3644505, 4616373, 7289010, 7693955, 9232746, 13849119, 15387910, 23081865, 27698238, 46163730, 69245595, 138491190]

約数ペア:

[(1, 138491190), (2, 69245595), (3, 46163730), (5, 27698238), (6, 23081865), (9, 15387910), (10, 13849119), (15, 9232746), (18, 7693955), (19, 7289010), (30, 4616373), (38, 3644505), (45, 3077582), (57, 2429670), (90, 1538791), (95, 1457802), (114, 1214835), (171, 809890), (190, 728901), (285, 485934), (342, 404945), (570, 242967), (855, 161978), (1710, 80989)]