328671140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{17921}}^1$

素因数の和:18068

約数の個数: 48

約数和(自身を含む): 794876544

約数和(自身を除く): 466205404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1834, 2620, 3668, 4585, 9170, 17921, 18340, 35842, 71684, 89605, 125447, 179210, 250894, 358420, 501788, 627235, 1254470, 2347651, 2508940, 4695302, 9390604, 11738255, 16433557, 23476510, 32867114, 46953020, 65734228, 82167785, 164335570, 328671140]

約数ペア:

[(1, 328671140), (2, 164335570), (4, 82167785), (5, 65734228), (7, 46953020), (10, 32867114), (14, 23476510), (20, 16433557), (28, 11738255), (35, 9390604), (70, 4695302), (131, 2508940), (140, 2347651), (262, 1254470), (524, 627235), (655, 501788), (917, 358420), (1310, 250894), (1834, 179210), (2620, 125447), (3668, 89605), (4585, 71684), (9170, 35842), (17921, 18340)]