280142288

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{2039}}^1$

素因数の和:2355

約数の個数: 40

約数和(自身を含む): 562583040

約数和(自身を除く): 282440752

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 277, 496, 554, 1108, 2039, 2216, 4078, 4432, 8156, 8587, 16312, 17174, 32624, 34348, 63209, 68696, 126418, 137392, 252836, 505672, 564803, 1011344, 1129606, 2259212, 4518424, 9036848, 17508893, 35017786, 70035572, 140071144, 280142288]

約数ペア:

[(1, 280142288), (2, 140071144), (4, 70035572), (8, 35017786), (16, 17508893), (31, 9036848), (62, 4518424), (124, 2259212), (248, 1129606), (277, 1011344), (496, 564803), (554, 505672), (1108, 252836), (2039, 137392), (2216, 126418), (4078, 68696), (4432, 63209), (8156, 34348), (8587, 32624), (16312, 17174)]