199956260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{967}}^1$

素因数の和:1201

約数の個数: 72

約数和(自身を含む): 491287104

約数和(自身を除く): 291330844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 211, 245, 422, 490, 844, 967, 980, 1055, 1477, 1934, 2110, 2954, 3868, 4220, 4835, 5908, 6769, 7385, 9670, 10339, 13538, 14770, 19340, 20678, 27076, 29540, 33845, 41356, 47383, 51695, 67690, 94766, 103390, 135380, 189532, 204037, 206780, 236915, 408074, 473830, 816148, 947660, 1020185, 1428259, 2040370, 2856518, 4080740, 5713036, 7141295, 9997813, 14282590, 19995626, 28565180, 39991252, 49989065, 99978130, 199956260]

約数ペア:

[(1, 199956260), (2, 99978130), (4, 49989065), (5, 39991252), (7, 28565180), (10, 19995626), (14, 14282590), (20, 9997813), (28, 7141295), (35, 5713036), (49, 4080740), (70, 2856518), (98, 2040370), (140, 1428259), (196, 1020185), (211, 947660), (245, 816148), (422, 473830), (490, 408074), (844, 236915), (967, 206780), (980, 204037), (1055, 189532), (1477, 135380), (1934, 103390), (2110, 94766), (2954, 67690), (3868, 51695), (4220, 47383), (4835, 41356), (5908, 33845), (6769, 29540), (7385, 27076), (9670, 20678), (10339, 19340), (13538, 14770)]