221485190

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1\times {\mathrm{571}}^1$

素因数の和:1148

約数の個数: 32

約数和(自身を含む): 405250560

約数和(自身を除く): 183765370

約数列:

[1, 2, 5, 10, 79, 158, 395, 491, 571, 790, 982, 1142, 2455, 2855, 4910, 5710, 38789, 45109, 77578, 90218, 193945, 225545, 280361, 387890, 451090, 560722, 1401805, 2803610, 22148519, 44297038, 110742595, 221485190]

約数ペア:

[(1, 221485190), (2, 110742595), (5, 44297038), (10, 22148519), (79, 2803610), (158, 1401805), (395, 560722), (491, 451090), (571, 387890), (790, 280361), (982, 225545), (1142, 193945), (2455, 90218), (2855, 77578), (4910, 45109), (5710, 38789)]