311911840

素因数分解:

$2^5\times 5^1\times {\mathrm{241}}^1\times {\mathrm{8089}}^1$

素因数の和:8345

約数の個数: 48

約数和(自身を含む): 740040840

約数和(自身を除く): 428129000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 241, 482, 964, 1205, 1928, 2410, 3856, 4820, 7712, 8089, 9640, 16178, 19280, 32356, 38560, 40445, 64712, 80890, 129424, 161780, 258848, 323560, 647120, 1294240, 1949449, 3898898, 7797796, 9747245, 15595592, 19494490, 31191184, 38988980, 62382368, 77977960, 155955920, 311911840]

約数ペア:

[(1, 311911840), (2, 155955920), (4, 77977960), (5, 62382368), (8, 38988980), (10, 31191184), (16, 19494490), (20, 15595592), (32, 9747245), (40, 7797796), (80, 3898898), (160, 1949449), (241, 1294240), (482, 647120), (964, 323560), (1205, 258848), (1928, 161780), (2410, 129424), (3856, 80890), (4820, 64712), (7712, 40445), (8089, 38560), (9640, 32356), (16178, 19280)]