240538312

素因数分解:

$2^3\times 7^1\times {\mathrm{211}}^1\times {\mathrm{20357}}^1$

素因数の和:20581

約数の個数: 32

約数和(自身を含む): 517907520

約数和(自身を除く): 277369208

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 211, 422, 844, 1477, 1688, 2954, 5908, 11816, 20357, 40714, 81428, 142499, 162856, 284998, 569996, 1139992, 4295327, 8590654, 17181308, 30067289, 34362616, 60134578, 120269156, 240538312]

約数ペア:

[(1, 240538312), (2, 120269156), (4, 60134578), (7, 34362616), (8, 30067289), (14, 17181308), (28, 8590654), (56, 4295327), (211, 1139992), (422, 569996), (844, 284998), (1477, 162856), (1688, 142499), (2954, 81428), (5908, 40714), (11816, 20357)]