16978550

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 33145200

約数和(自身を除く): 16166650

約数列:

[1, 2, 5, 10, 25, 43, 50, 53, 86, 106, 149, 215, 265, 298, 430, 530, 745, 1075, 1325, 1490, 2150, 2279, 2650, 3725, 4558, 6407, 7450, 7897, 11395, 12814, 15794, 22790, 32035, 39485, 56975, 64070, 78970, 113950, 160175, 197425, 320350, 339571, 394850, 679142, 1697855, 3395710, 8489275, 16978550]

約数ペア:

[(1, 16978550), (2, 8489275), (5, 3395710), (10, 1697855), (25, 679142), (43, 394850), (50, 339571), (53, 320350), (86, 197425), (106, 160175), (149, 113950), (215, 78970), (265, 64070), (298, 56975), (430, 39485), (530, 32035), (745, 22790), (1075, 15794), (1325, 12814), (1490, 11395), (2150, 7897), (2279, 7450), (2650, 6407), (3725, 4558)]