121901990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{40499}}^1$

素因数の和:40556

約数の個数: 32

約数和(自身を含む): 256608000

約数和(自身を除く): 134706010

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 40499, 80998, 202495, 283493, 404990, 566986, 1417465, 1741457, 2834930, 3482914, 8707285, 12190199, 17414570, 24380398, 60950995, 121901990]

約数ペア:

[(1, 121901990), (2, 60950995), (5, 24380398), (7, 17414570), (10, 12190199), (14, 8707285), (35, 3482914), (43, 2834930), (70, 1741457), (86, 1417465), (215, 566986), (301, 404990), (430, 283493), (602, 202495), (1505, 80998), (3010, 40499)]