6480720890

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{1889423}}^1$

素因数の和:1889451

約数の個数: 32

約数和(自身を含む): 13603852800

約数和(自身を除く): 7123131910

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 1889423, 3778846, 9447115, 13225961, 18894230, 26451922, 66129805, 92581727, 132259610, 185163454, 462908635, 648072089, 925817270, 1296144178, 3240360445, 6480720890]

約数ペア:

[(1, 6480720890), (2, 3240360445), (5, 1296144178), (7, 925817270), (10, 648072089), (14, 462908635), (35, 185163454), (49, 132259610), (70, 92581727), (98, 66129805), (245, 26451922), (343, 18894230), (490, 13225961), (686, 9447115), (1715, 3778846), (3430, 1889423)]