189070990

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{1429}}^1$

素因数の和:1668

約数の個数: 32

約数和(自身を含む): 346563360

約数和(自身を除く): 157492370

約数列:

[1, 2, 5, 10, 101, 131, 202, 262, 505, 655, 1010, 1310, 1429, 2858, 7145, 13231, 14290, 26462, 66155, 132310, 144329, 187199, 288658, 374398, 721645, 935995, 1443290, 1871990, 18907099, 37814198, 94535495, 189070990]

約数ペア:

[(1, 189070990), (2, 94535495), (5, 37814198), (10, 18907099), (101, 1871990), (131, 1443290), (202, 935995), (262, 721645), (505, 374398), (655, 288658), (1010, 187199), (1310, 144329), (1429, 132310), (2858, 66155), (7145, 26462), (13231, 14290)]