4196720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:294

約数の個数: 80

約数和(自身を含む): 11249280

約数和(自身を除く): 7052560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 251, 304, 380, 418, 440, 502, 760, 836, 880, 1004, 1045, 1255, 1520, 1672, 2008, 2090, 2510, 2761, 3344, 4016, 4180, 4769, 5020, 5522, 8360, 9538, 10040, 11044, 13805, 16720, 19076, 20080, 22088, 23845, 27610, 38152, 44176, 47690, 52459, 55220, 76304, 95380, 104918, 110440, 190760, 209836, 220880, 262295, 381520, 419672, 524590, 839344, 1049180, 2098360, 4196720]

約数ペア:

[(1, 4196720), (2, 2098360), (4, 1049180), (5, 839344), (8, 524590), (10, 419672), (11, 381520), (16, 262295), (19, 220880), (20, 209836), (22, 190760), (38, 110440), (40, 104918), (44, 95380), (55, 76304), (76, 55220), (80, 52459), (88, 47690), (95, 44176), (110, 38152), (152, 27610), (176, 23845), (190, 22088), (209, 20080), (220, 19076), (251, 16720), (304, 13805), (380, 11044), (418, 10040), (440, 9538), (502, 8360), (760, 5522), (836, 5020), (880, 4769), (1004, 4180), (1045, 4016), (1255, 3344), (1520, 2761), (1672, 2510), (2008, 2090)]