219040430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{21001}}^1$

素因数の和:21164

約数の個数: 32

約数和(自身を含む): 453643200

約数和(自身を除く): 234602770

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 745, 1043, 1490, 2086, 5215, 10430, 21001, 42002, 105005, 147007, 210010, 294014, 735035, 1470070, 3129149, 6258298, 15645745, 21904043, 31291490, 43808086, 109520215, 219040430]

約数ペア:

[(1, 219040430), (2, 109520215), (5, 43808086), (7, 31291490), (10, 21904043), (14, 15645745), (35, 6258298), (70, 3129149), (149, 1470070), (298, 735035), (745, 294014), (1043, 210010), (1490, 147007), (2086, 105005), (5215, 42002), (10430, 21001)]