81485110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:541

約数の個数: 64

約数和(自身を含む): 177914880

約数和(自身を除く): 96429770

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 197, 266, 311, 394, 622, 665, 985, 1330, 1379, 1555, 1970, 2177, 2758, 3110, 3743, 4354, 5909, 6895, 7486, 10885, 11818, 13790, 18715, 21770, 26201, 29545, 37430, 41363, 52402, 59090, 61267, 82726, 122534, 131005, 206815, 262010, 306335, 413630, 428869, 612670, 857738, 1164073, 2144345, 2328146, 4288690, 5820365, 8148511, 11640730, 16297022, 40742555, 81485110]

約数ペア:

[(1, 81485110), (2, 40742555), (5, 16297022), (7, 11640730), (10, 8148511), (14, 5820365), (19, 4288690), (35, 2328146), (38, 2144345), (70, 1164073), (95, 857738), (133, 612670), (190, 428869), (197, 413630), (266, 306335), (311, 262010), (394, 206815), (622, 131005), (665, 122534), (985, 82726), (1330, 61267), (1379, 59090), (1555, 52402), (1970, 41363), (2177, 37430), (2758, 29545), (3110, 26201), (3743, 21770), (4354, 18715), (5909, 13790), (6895, 11818), (7486, 10885)]