285828580

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{1429}}^1$

素因数の和:1648

約数の個数: 48

約数和(自身を含む): 613332720

約数和(自身を除く): 327504140

約数列:

[1, 2, 4, 5, 10, 20, 73, 137, 146, 274, 292, 365, 548, 685, 730, 1370, 1429, 1460, 2740, 2858, 5716, 7145, 10001, 14290, 20002, 28580, 40004, 50005, 100010, 104317, 195773, 200020, 208634, 391546, 417268, 521585, 783092, 978865, 1043170, 1957730, 2086340, 3915460, 14291429, 28582858, 57165716, 71457145, 142914290, 285828580]

約数ペア:

[(1, 285828580), (2, 142914290), (4, 71457145), (5, 57165716), (10, 28582858), (20, 14291429), (73, 3915460), (137, 2086340), (146, 1957730), (274, 1043170), (292, 978865), (365, 783092), (548, 521585), (685, 417268), (730, 391546), (1370, 208634), (1429, 200020), (1460, 195773), (2740, 104317), (2858, 100010), (5716, 50005), (7145, 40004), (10001, 28580), (14290, 20002)]