205208030

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1\times {\mathrm{617}}^1$

素因数の和:1124

約数の個数: 32

約数和(自身を含む): 375546240

約数和(自身を除く): 170338210

約数列:

[1, 2, 5, 10, 79, 158, 395, 421, 617, 790, 842, 1234, 2105, 3085, 4210, 6170, 33259, 48743, 66518, 97486, 166295, 243715, 259757, 332590, 487430, 519514, 1298785, 2597570, 20520803, 41041606, 102604015, 205208030]

約数ペア:

[(1, 205208030), (2, 102604015), (5, 41041606), (10, 20520803), (79, 2597570), (158, 1298785), (395, 519514), (421, 487430), (617, 332590), (790, 259757), (842, 243715), (1234, 166295), (2105, 97486), (3085, 66518), (4210, 48743), (6170, 33259)]