157345640

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{379}}^1$

素因数の和:594

約数の個数: 64

約数和(自身を含む): 361972800

約数和(自身を除く): 204627160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 107, 194, 214, 379, 388, 428, 485, 535, 758, 776, 856, 970, 1070, 1516, 1895, 1940, 2140, 3032, 3790, 3880, 4280, 7580, 10379, 15160, 20758, 36763, 40553, 41516, 51895, 73526, 81106, 83032, 103790, 147052, 162212, 183815, 202765, 207580, 294104, 324424, 367630, 405530, 415160, 735260, 811060, 1470520, 1622120, 3933641, 7867282, 15734564, 19668205, 31469128, 39336410, 78672820, 157345640]

約数ペア:

[(1, 157345640), (2, 78672820), (4, 39336410), (5, 31469128), (8, 19668205), (10, 15734564), (20, 7867282), (40, 3933641), (97, 1622120), (107, 1470520), (194, 811060), (214, 735260), (379, 415160), (388, 405530), (428, 367630), (485, 324424), (535, 294104), (758, 207580), (776, 202765), (856, 183815), (970, 162212), (1070, 147052), (1516, 103790), (1895, 83032), (1940, 81106), (2140, 73526), (3032, 51895), (3790, 41516), (3880, 40553), (4280, 36763), (7580, 20758), (10379, 15160)]