201996970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{28571}}^1$

素因数の和:28686

約数の個数: 32

約数和(自身を含む): 419665536

約数和(自身を除く): 217668566

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 202, 505, 707, 1010, 1414, 3535, 7070, 28571, 57142, 142855, 199997, 285710, 399994, 999985, 1999970, 2885671, 5771342, 14428355, 20199697, 28856710, 40399394, 100998485, 201996970]

約数ペア:

[(1, 201996970), (2, 100998485), (5, 40399394), (7, 28856710), (10, 20199697), (14, 14428355), (35, 5771342), (70, 2885671), (101, 1999970), (202, 999985), (505, 399994), (707, 285710), (1010, 199997), (1414, 142855), (3535, 57142), (7070, 28571)]