221271550

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{1061}}^1$

素因数の和:1213

約数の個数: 48

約数和(自身を含む): 425878992

約数和(自身を除く): 204607442

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 97, 194, 215, 430, 485, 970, 1061, 1075, 2122, 2150, 2425, 4171, 4850, 5305, 8342, 10610, 20855, 26525, 41710, 45623, 53050, 91246, 102917, 104275, 205834, 208550, 228115, 456230, 514585, 1029170, 1140575, 2281150, 2572925, 4425431, 5145850, 8850862, 22127155, 44254310, 110635775, 221271550]

約数ペア:

[(1, 221271550), (2, 110635775), (5, 44254310), (10, 22127155), (25, 8850862), (43, 5145850), (50, 4425431), (86, 2572925), (97, 2281150), (194, 1140575), (215, 1029170), (430, 514585), (485, 456230), (970, 228115), (1061, 208550), (1075, 205834), (2122, 104275), (2150, 102917), (2425, 91246), (4171, 53050), (4850, 45623), (5305, 41710), (8342, 26525), (10610, 20855)]