72007180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13901}}^1$

素因数の和:13954

約数の個数: 48

約数和(自身を含む): 177500736

約数和(自身を除く): 105493556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 13901, 27802, 55604, 69505, 97307, 139010, 194614, 278020, 389228, 486535, 514337, 973070, 1028674, 1946140, 2057348, 2571685, 3600359, 5143370, 7200718, 10286740, 14401436, 18001795, 36003590, 72007180]

約数ペア:

[(1, 72007180), (2, 36003590), (4, 18001795), (5, 14401436), (7, 10286740), (10, 7200718), (14, 5143370), (20, 3600359), (28, 2571685), (35, 2057348), (37, 1946140), (70, 1028674), (74, 973070), (140, 514337), (148, 486535), (185, 389228), (259, 278020), (370, 194614), (518, 139010), (740, 97307), (1036, 69505), (1295, 55604), (2590, 27802), (5180, 13901)]