9807804940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{197023}}^1$

素因数の和:197182

約数の個数: 48

約数和(自身を含む): 21846021120

約数和(自身を除く): 12038216180

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, 49780, 197023, 394046, 788092, 985115, 1970230, 3743437, 3940460, 7486874, 14973748, 18717185, 25810013, 37434370, 51620026, 74868740, 103240052, 129050065, 258100130, 490390247, 516200260, 980780494, 1961560988, 2451951235, 4903902470, 9807804940]

約数ペア:

[(1, 9807804940), (2, 4903902470), (4, 2451951235), (5, 1961560988), (10, 980780494), (19, 516200260), (20, 490390247), (38, 258100130), (76, 129050065), (95, 103240052), (131, 74868740), (190, 51620026), (262, 37434370), (380, 25810013), (524, 18717185), (655, 14973748), (1310, 7486874), (2489, 3940460), (2620, 3743437), (4978, 1970230), (9956, 985115), (12445, 788092), (24890, 394046), (49780, 197023)]