201980360

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{174121}}^1$

素因数の和:174161

約数の個数: 32

約数和(自身を含む): 470129400

約数和(自身を除く): 268149040

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 174121, 348242, 696484, 870605, 1392968, 1741210, 3482420, 5049509, 6964840, 10099018, 20198036, 25247545, 40396072, 50495090, 100990180, 201980360]

約数ペア:

[(1, 201980360), (2, 100990180), (4, 50495090), (5, 40396072), (8, 25247545), (10, 20198036), (20, 10099018), (29, 6964840), (40, 5049509), (58, 3482420), (116, 1741210), (145, 1392968), (232, 870605), (290, 696484), (580, 348242), (1160, 174121)]