129528520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{294383}}^1$

素因数の和:294405

約数の個数: 32

約数和(自身を含む): 317934720

約数和(自身を除く): 188406200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 294383, 588766, 1177532, 1471915, 2355064, 2943830, 3238213, 5887660, 6476426, 11775320, 12952852, 16191065, 25905704, 32382130, 64764260, 129528520]

約数ペア:

[(1, 129528520), (2, 64764260), (4, 32382130), (5, 25905704), (8, 16191065), (10, 12952852), (11, 11775320), (20, 6476426), (22, 5887660), (40, 3238213), (44, 2943830), (55, 2355064), (88, 1471915), (110, 1177532), (220, 588766), (440, 294383)]