199399420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:451

約数の個数: 96

約数和(自身を含む): 481614336

約数和(自身を除く): 282214916

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 157, 220, 230, 251, 253, 314, 460, 502, 506, 628, 785, 1004, 1012, 1255, 1265, 1570, 1727, 2510, 2530, 2761, 3140, 3454, 3611, 5020, 5060, 5522, 5773, 6908, 7222, 8635, 11044, 11546, 13805, 14444, 17270, 18055, 23092, 27610, 28865, 34540, 36110, 39407, 39721, 55220, 57730, 63503, 72220, 78814, 79442, 115460, 127006, 157628, 158884, 197035, 198605, 254012, 317515, 394070, 397210, 433477, 635030, 788140, 794420, 866954, 906361, 1270060, 1733908, 1812722, 2167385, 3625444, 4334770, 4531805, 8669540, 9063610, 9969971, 18127220, 19939942, 39879884, 49849855, 99699710, 199399420]

約数ペア:

[(1, 199399420), (2, 99699710), (4, 49849855), (5, 39879884), (10, 19939942), (11, 18127220), (20, 9969971), (22, 9063610), (23, 8669540), (44, 4531805), (46, 4334770), (55, 3625444), (92, 2167385), (110, 1812722), (115, 1733908), (157, 1270060), (220, 906361), (230, 866954), (251, 794420), (253, 788140), (314, 635030), (460, 433477), (502, 397210), (506, 394070), (628, 317515), (785, 254012), (1004, 198605), (1012, 197035), (1255, 158884), (1265, 157628), (1570, 127006), (1727, 115460), (2510, 79442), (2530, 78814), (2761, 72220), (3140, 63503), (3454, 57730), (3611, 55220), (5020, 39721), (5060, 39407), (5522, 36110), (5773, 34540), (6908, 28865), (7222, 27610), (8635, 23092), (11044, 18055), (11546, 17270), (13805, 14444)]