208704188

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{229}}^1\times {\mathrm{269}}^1$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 462520800

約数和(自身を除く): 253816612

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 229, 242, 269, 308, 458, 484, 538, 847, 916, 1076, 1603, 1694, 1883, 2519, 2959, 3206, 3388, 3766, 5038, 5918, 6412, 7532, 10076, 11836, 17633, 20713, 27709, 32549, 35266, 41426, 55418, 61601, 65098, 70532, 82852, 110836, 123202, 130196, 193963, 227843, 246404, 387926, 431207, 455686, 677611, 775852, 862414, 911372, 1355222, 1724828, 2710444, 4743277, 7453721, 9486554, 14907442, 18973108, 29814884, 52176047, 104352094, 208704188]

約数ペア:

[(1, 208704188), (2, 104352094), (4, 52176047), (7, 29814884), (11, 18973108), (14, 14907442), (22, 9486554), (28, 7453721), (44, 4743277), (77, 2710444), (121, 1724828), (154, 1355222), (229, 911372), (242, 862414), (269, 775852), (308, 677611), (458, 455686), (484, 431207), (538, 387926), (847, 246404), (916, 227843), (1076, 193963), (1603, 130196), (1694, 123202), (1883, 110836), (2519, 82852), (2959, 70532), (3206, 65098), (3388, 61601), (3766, 55418), (5038, 41426), (5918, 35266), (6412, 32549), (7532, 27709), (10076, 20713), (11836, 17633)]