2100068860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{42187}}^1$

素因数の和:42346

約数の個数: 48

約数和(自身を含む): 4677805440

約数和(自身を除く): 2577736580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 262, 380, 524, 655, 1310, 2489, 2620, 4978, 9956, 12445, 24890, 42187, 49780, 84374, 168748, 210935, 421870, 801553, 843740, 1603106, 3206212, 4007765, 5526497, 8015530, 11052994, 16031060, 22105988, 27632485, 55264970, 105003443, 110529940, 210006886, 420013772, 525017215, 1050034430, 2100068860]

約数ペア:

[(1, 2100068860), (2, 1050034430), (4, 525017215), (5, 420013772), (10, 210006886), (19, 110529940), (20, 105003443), (38, 55264970), (76, 27632485), (95, 22105988), (131, 16031060), (190, 11052994), (262, 8015530), (380, 5526497), (524, 4007765), (655, 3206212), (1310, 1603106), (2489, 843740), (2620, 801553), (4978, 421870), (9956, 210935), (12445, 168748), (24890, 84374), (42187, 49780)]