1557188440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{10853}}^1$

素因数の和:11092

約数の個数: 64

約数和(自身を含む): 3727697760

約数和(自身を除く): 2170509320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 211, 340, 422, 680, 844, 1055, 1688, 2110, 3587, 4220, 7174, 8440, 10853, 14348, 17935, 21706, 28696, 35870, 43412, 54265, 71740, 86824, 108530, 143480, 184501, 217060, 369002, 434120, 738004, 922505, 1476008, 1845010, 2289983, 3690020, 4579966, 7380040, 9159932, 11449915, 18319864, 22899830, 38929711, 45799660, 77859422, 91599320, 155718844, 194648555, 311437688, 389297110, 778594220, 1557188440]

約数ペア:

[(1, 1557188440), (2, 778594220), (4, 389297110), (5, 311437688), (8, 194648555), (10, 155718844), (17, 91599320), (20, 77859422), (34, 45799660), (40, 38929711), (68, 22899830), (85, 18319864), (136, 11449915), (170, 9159932), (211, 7380040), (340, 4579966), (422, 3690020), (680, 2289983), (844, 1845010), (1055, 1476008), (1688, 922505), (2110, 738004), (3587, 434120), (4220, 369002), (7174, 217060), (8440, 184501), (10853, 143480), (14348, 108530), (17935, 86824), (21706, 71740), (28696, 54265), (35870, 43412)]