2189560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 5385600

約数和(自身を除く): 3196040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 67, 76, 86, 95, 134, 152, 172, 190, 215, 268, 335, 344, 380, 430, 536, 670, 760, 817, 860, 1273, 1340, 1634, 1720, 2546, 2680, 2881, 3268, 4085, 5092, 5762, 6365, 6536, 8170, 10184, 11524, 12730, 14405, 16340, 23048, 25460, 28810, 32680, 50920, 54739, 57620, 109478, 115240, 218956, 273695, 437912, 547390, 1094780, 2189560]

約数ペア:

[(1, 2189560), (2, 1094780), (4, 547390), (5, 437912), (8, 273695), (10, 218956), (19, 115240), (20, 109478), (38, 57620), (40, 54739), (43, 50920), (67, 32680), (76, 28810), (86, 25460), (95, 23048), (134, 16340), (152, 14405), (172, 12730), (190, 11524), (215, 10184), (268, 8170), (335, 6536), (344, 6365), (380, 5762), (430, 5092), (536, 4085), (670, 3268), (760, 2881), (817, 2680), (860, 2546), (1273, 1720), (1340, 1634)]