646125890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{67}}^1\times {\mathrm{1823}}^1$

素因数の和:1943

約数の個数: 48

約数和(自身を含む): 1234614528

約数和(自身を除く): 588488638

約数列:

[1, 2, 5, 10, 23, 46, 67, 115, 134, 230, 335, 529, 670, 1058, 1541, 1823, 2645, 3082, 3646, 5290, 7705, 9115, 15410, 18230, 35443, 41929, 70886, 83858, 122141, 177215, 209645, 244282, 354430, 419290, 610705, 964367, 1221410, 1928734, 2809243, 4821835, 5618486, 9643670, 14046215, 28092430, 64612589, 129225178, 323062945, 646125890]

約数ペア:

[(1, 646125890), (2, 323062945), (5, 129225178), (10, 64612589), (23, 28092430), (46, 14046215), (67, 9643670), (115, 5618486), (134, 4821835), (230, 2809243), (335, 1928734), (529, 1221410), (670, 964367), (1058, 610705), (1541, 419290), (1823, 354430), (2645, 244282), (3082, 209645), (3646, 177215), (5290, 122141), (7705, 83858), (9115, 70886), (15410, 41929), (18230, 35443)]