1388893330020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3306888881}}^1$

素因数の和:3306888900

約数の個数: 48

約数和(自身を含む): 4444458657408

約数和(自身を除く): 3055565327388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 3306888881, 6613777762, 9920666643, 13227555524, 16534444405, 19841333286, 23148222167, 33068888810, 39682666572, 46296444334, 49603333215, 66137777620, 69444666501, 92592888668, 99206666430, 115741110835, 138889333002, 198413332860, 231482221670, 277778666004, 347223332505, 462964443340, 694446665010, 1388893330020]

約数ペア:

[(1, 1388893330020), (2, 694446665010), (3, 462964443340), (4, 347223332505), (5, 277778666004), (6, 231482221670), (7, 198413332860), (10, 138889333002), (12, 115741110835), (14, 99206666430), (15, 92592888668), (20, 69444666501), (21, 66137777620), (28, 49603333215), (30, 46296444334), (35, 39682666572), (42, 33068888810), (60, 23148222167), (70, 19841333286), (84, 16534444405), (105, 13227555524), (140, 9920666643), (210, 6613777762), (420, 3306888881)]