155117620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{3943}}^1$

素因数の和:4240

約数の個数: 48

約数和(自身を含む): 373701888

約数和(自身を除く): 218584268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 281, 562, 1124, 1405, 1967, 2810, 3934, 3943, 5620, 7868, 7886, 9835, 15772, 19670, 19715, 27601, 39340, 39430, 55202, 78860, 110404, 138005, 276010, 552020, 1107983, 2215966, 4431932, 5539915, 7755881, 11079830, 15511762, 22159660, 31023524, 38779405, 77558810, 155117620]

約数ペア:

[(1, 155117620), (2, 77558810), (4, 38779405), (5, 31023524), (7, 22159660), (10, 15511762), (14, 11079830), (20, 7755881), (28, 5539915), (35, 4431932), (70, 2215966), (140, 1107983), (281, 552020), (562, 276010), (1124, 138005), (1405, 110404), (1967, 78860), (2810, 55202), (3934, 39430), (3943, 39340), (5620, 27601), (7868, 19715), (7886, 19670), (9835, 15772)]