648535930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{2311}}^1$

素因数の和:2555

約数の個数: 64

約数和(自身を含む): 1411614720

約数和(自身を除く): 763078790

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 211, 266, 422, 665, 1055, 1330, 1477, 2110, 2311, 2954, 4009, 4622, 7385, 8018, 11555, 14770, 16177, 20045, 23110, 28063, 32354, 40090, 43909, 56126, 80885, 87818, 140315, 161770, 219545, 280630, 307363, 439090, 487621, 614726, 975242, 1536815, 2438105, 3073630, 3413347, 4876210, 6826694, 9264799, 17066735, 18529598, 34133470, 46323995, 64853593, 92647990, 129707186, 324267965, 648535930]

約数ペア:

[(1, 648535930), (2, 324267965), (5, 129707186), (7, 92647990), (10, 64853593), (14, 46323995), (19, 34133470), (35, 18529598), (38, 17066735), (70, 9264799), (95, 6826694), (133, 4876210), (190, 3413347), (211, 3073630), (266, 2438105), (422, 1536815), (665, 975242), (1055, 614726), (1330, 487621), (1477, 439090), (2110, 307363), (2311, 280630), (2954, 219545), (4009, 161770), (4622, 140315), (7385, 87818), (8018, 80885), (11555, 56126), (14770, 43909), (16177, 40090), (20045, 32354), (23110, 28063)]