7453420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 17075520

約数和(自身を除く): 9622100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 263, 436, 526, 545, 1052, 1090, 1315, 1417, 2180, 2630, 2834, 3419, 5260, 5668, 6838, 7085, 13676, 14170, 17095, 28340, 28667, 34190, 57334, 68380, 114668, 143335, 286670, 372671, 573340, 745342, 1490684, 1863355, 3726710, 7453420]

約数ペア:

[(1, 7453420), (2, 3726710), (4, 1863355), (5, 1490684), (10, 745342), (13, 573340), (20, 372671), (26, 286670), (52, 143335), (65, 114668), (109, 68380), (130, 57334), (218, 34190), (260, 28667), (263, 28340), (436, 17095), (526, 14170), (545, 13676), (1052, 7085), (1090, 6838), (1315, 5668), (1417, 5260), (2180, 3419), (2630, 2834)]