129394420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{1583}}^1$

素因数の和:1720

約数の個数: 48

約数和(自身を含む): 280482048

約数和(自身を除く): 151087628

約数列:

[1, 2, 4, 5, 10, 20, 61, 67, 122, 134, 244, 268, 305, 335, 610, 670, 1220, 1340, 1583, 3166, 4087, 6332, 7915, 8174, 15830, 16348, 20435, 31660, 40870, 81740, 96563, 106061, 193126, 212122, 386252, 424244, 482815, 530305, 965630, 1060610, 1931260, 2121220, 6469721, 12939442, 25878884, 32348605, 64697210, 129394420]

約数ペア:

[(1, 129394420), (2, 64697210), (4, 32348605), (5, 25878884), (10, 12939442), (20, 6469721), (61, 2121220), (67, 1931260), (122, 1060610), (134, 965630), (244, 530305), (268, 482815), (305, 424244), (335, 386252), (610, 212122), (670, 193126), (1220, 106061), (1340, 96563), (1583, 81740), (3166, 40870), (4087, 31660), (6332, 20435), (7915, 16348), (8174, 15830)]