1731080980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{541}}^1\times {\mathrm{1151}}^1$

素因数の和:1840

約数の個数: 48

約数和(自身を含む): 3671377920

約数和(自身を除く): 1940296940

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 541, 556, 695, 1082, 1151, 1390, 2164, 2302, 2705, 2780, 4604, 5410, 5755, 10820, 11510, 23020, 75199, 150398, 159989, 300796, 319978, 375995, 622691, 639956, 751990, 799945, 1245382, 1503980, 1599890, 2490764, 3113455, 3199780, 6226910, 12453820, 86554049, 173108098, 346216196, 432770245, 865540490, 1731080980]

約数ペア:

[(1, 1731080980), (2, 865540490), (4, 432770245), (5, 346216196), (10, 173108098), (20, 86554049), (139, 12453820), (278, 6226910), (541, 3199780), (556, 3113455), (695, 2490764), (1082, 1599890), (1151, 1503980), (1390, 1245382), (2164, 799945), (2302, 751990), (2705, 639956), (2780, 622691), (4604, 375995), (5410, 319978), (5755, 300796), (10820, 159989), (11510, 150398), (23020, 75199)]