131424920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{298693}}^1$

素因数の和:298715

約数の個数: 32

約数和(自身を含む): 322589520

約数和(自身を除く): 191164600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 298693, 597386, 1194772, 1493465, 2389544, 2986930, 3285623, 5973860, 6571246, 11947720, 13142492, 16428115, 26284984, 32856230, 65712460, 131424920]

約数ペア:

[(1, 131424920), (2, 65712460), (4, 32856230), (5, 26284984), (8, 16428115), (10, 13142492), (11, 11947720), (20, 6571246), (22, 5973860), (40, 3285623), (44, 2986930), (55, 2389544), (88, 1493465), (110, 1194772), (220, 597386), (440, 298693)]