4077620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 9253440

約数和(自身を除く): 5175820

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 179, 268, 335, 340, 358, 670, 716, 895, 1139, 1340, 1790, 2278, 3043, 3580, 4556, 5695, 6086, 11390, 11993, 12172, 15215, 22780, 23986, 30430, 47972, 59965, 60860, 119930, 203881, 239860, 407762, 815524, 1019405, 2038810, 4077620]

約数ペア:

[(1, 4077620), (2, 2038810), (4, 1019405), (5, 815524), (10, 407762), (17, 239860), (20, 203881), (34, 119930), (67, 60860), (68, 59965), (85, 47972), (134, 30430), (170, 23986), (179, 22780), (268, 15215), (335, 12172), (340, 11993), (358, 11390), (670, 6086), (716, 5695), (895, 4556), (1139, 3580), (1340, 3043), (1790, 2278)]