31198580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{9689}}^1$

素因数の和:9728

約数の個数: 48

約数和(自身を含む): 78140160

約数和(自身を除く): 46941580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 9689, 19378, 38756, 48445, 67823, 96890, 135646, 193780, 222847, 271292, 339115, 445694, 678230, 891388, 1114235, 1356460, 1559929, 2228470, 3119858, 4456940, 6239716, 7799645, 15599290, 31198580]

約数ペア:

[(1, 31198580), (2, 15599290), (4, 7799645), (5, 6239716), (7, 4456940), (10, 3119858), (14, 2228470), (20, 1559929), (23, 1356460), (28, 1114235), (35, 891388), (46, 678230), (70, 445694), (92, 339115), (115, 271292), (140, 222847), (161, 193780), (230, 135646), (322, 96890), (460, 67823), (644, 48445), (805, 38756), (1610, 19378), (3220, 9689)]