168807740

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{773}}^1$

素因数の和:1022

約数の個数: 48

約数和(自身を含む): 362789280

約数和(自身を除く): 193981540

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 179, 244, 305, 358, 610, 716, 773, 895, 1220, 1546, 1790, 3092, 3580, 3865, 7730, 10919, 15460, 21838, 43676, 47153, 54595, 94306, 109190, 138367, 188612, 218380, 235765, 276734, 471530, 553468, 691835, 943060, 1383670, 2767340, 8440387, 16880774, 33761548, 42201935, 84403870, 168807740]

約数ペア:

[(1, 168807740), (2, 84403870), (4, 42201935), (5, 33761548), (10, 16880774), (20, 8440387), (61, 2767340), (122, 1383670), (179, 943060), (244, 691835), (305, 553468), (358, 471530), (610, 276734), (716, 235765), (773, 218380), (895, 188612), (1220, 138367), (1546, 109190), (1790, 94306), (3092, 54595), (3580, 47153), (3865, 43676), (7730, 21838), (10919, 15460)]