400782645

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{809}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 708879600

約数和(自身を除く): 308096955

約数列:

[1, 3, 5, 9, 15, 45, 101, 109, 303, 327, 505, 545, 809, 909, 981, 1515, 1635, 2427, 4045, 4545, 4905, 7281, 11009, 12135, 33027, 36405, 55045, 81709, 88181, 99081, 165135, 245127, 264543, 408545, 440905, 495405, 735381, 793629, 1225635, 1322715, 3676905, 3968145, 8906281, 26718843, 44531405, 80156529, 133594215, 400782645]

約数ペア:

[(1, 400782645), (3, 133594215), (5, 80156529), (9, 44531405), (15, 26718843), (45, 8906281), (101, 3968145), (109, 3676905), (303, 1322715), (327, 1225635), (505, 793629), (545, 735381), (809, 495405), (909, 440905), (981, 408545), (1515, 264543), (1635, 245127), (2427, 165135), (4045, 99081), (4545, 88181), (4905, 81709), (7281, 55045), (11009, 36405), (12135, 33027)]