2775920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{4957}}^1$

素因数の和:4977

約数の個数: 40

約数和(自身を含む): 7377504

約数和(自身を除く): 4601584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 4957, 9914, 19828, 24785, 34699, 39656, 49570, 69398, 79312, 99140, 138796, 173495, 198280, 277592, 346990, 396560, 555184, 693980, 1387960, 2775920]

約数ペア:

[(1, 2775920), (2, 1387960), (4, 693980), (5, 555184), (7, 396560), (8, 346990), (10, 277592), (14, 198280), (16, 173495), (20, 138796), (28, 99140), (35, 79312), (40, 69398), (56, 49570), (70, 39656), (80, 34699), (112, 24785), (140, 19828), (280, 9914), (560, 4957)]