1309643860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{252827}}^1$

素因数の和:252880

約数の個数: 48

約数和(自身を含む): 3228107904

約数和(自身を除く): 1918464044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 252827, 505654, 1011308, 1264135, 1769789, 2528270, 3539578, 5056540, 7079156, 8848945, 9354599, 17697890, 18709198, 35395780, 37418396, 46772995, 65482193, 93545990, 130964386, 187091980, 261928772, 327410965, 654821930, 1309643860]

約数ペア:

[(1, 1309643860), (2, 654821930), (4, 327410965), (5, 261928772), (7, 187091980), (10, 130964386), (14, 93545990), (20, 65482193), (28, 46772995), (35, 37418396), (37, 35395780), (70, 18709198), (74, 17697890), (140, 9354599), (148, 8848945), (185, 7079156), (259, 5056540), (370, 3539578), (518, 2528270), (740, 1769789), (1036, 1264135), (1295, 1011308), (2590, 505654), (5180, 252827)]