205380210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{978001}}^1$

素因数の和:978018

約数の個数: 32

約数和(自身を含む): 563329152

約数和(自身を除く): 357948942

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 978001, 1956002, 2934003, 4890005, 5868006, 6846007, 9780010, 13692014, 14670015, 20538021, 29340030, 34230035, 41076042, 68460070, 102690105, 205380210]

約数ペア:

[(1, 205380210), (2, 102690105), (3, 68460070), (5, 41076042), (6, 34230035), (7, 29340030), (10, 20538021), (14, 14670015), (15, 13692014), (21, 9780010), (30, 6846007), (35, 5868006), (42, 4890005), (70, 2934003), (105, 1956002), (210, 978001)]