214958020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{1709}}^1$

素因数の和:2068

約数の個数: 48

約数和(自身を含む): 476884800

約数和(自身を除く): 261926780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 331, 380, 662, 1324, 1655, 1709, 3310, 3418, 6289, 6620, 6836, 8545, 12578, 17090, 25156, 31445, 32471, 34180, 62890, 64942, 125780, 129884, 162355, 324710, 565679, 649420, 1131358, 2262716, 2828395, 5656790, 10747901, 11313580, 21495802, 42991604, 53739505, 107479010, 214958020]

約数ペア:

[(1, 214958020), (2, 107479010), (4, 53739505), (5, 42991604), (10, 21495802), (19, 11313580), (20, 10747901), (38, 5656790), (76, 2828395), (95, 2262716), (190, 1131358), (331, 649420), (380, 565679), (662, 324710), (1324, 162355), (1655, 129884), (1709, 125780), (3310, 64942), (3418, 62890), (6289, 34180), (6620, 32471), (6836, 31445), (8545, 25156), (12578, 17090)]