748195820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1\times {\mathrm{1429}}^1$

素因数の和:2042

約数の個数: 48

約数和(自身を含む): 1608647040

約数和(自身を除く): 860451220

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 557, 940, 1114, 1429, 2228, 2785, 2858, 5570, 5716, 7145, 11140, 14290, 26179, 28580, 52358, 67163, 104716, 130895, 134326, 261790, 268652, 335815, 523580, 671630, 795953, 1343260, 1591906, 3183812, 3979765, 7959530, 15919060, 37409791, 74819582, 149639164, 187048955, 374097910, 748195820]

約数ペア:

[(1, 748195820), (2, 374097910), (4, 187048955), (5, 149639164), (10, 74819582), (20, 37409791), (47, 15919060), (94, 7959530), (188, 3979765), (235, 3183812), (470, 1591906), (557, 1343260), (940, 795953), (1114, 671630), (1429, 523580), (2228, 335815), (2785, 268652), (2858, 261790), (5570, 134326), (5716, 130895), (7145, 104716), (11140, 67163), (14290, 52358), (26179, 28580)]