210747880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10601}}^1$

素因数の和:10690

約数の個数: 64

約数和(自身を含む): 549607680

約数和(自身を除く): 338859800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 9940, 10601, 19880, 21202, 42404, 53005, 74207, 84808, 106010, 148414, 212020, 296828, 371035, 424040, 593656, 742070, 752671, 1484140, 1505342, 2968280, 3010684, 3763355, 5268697, 6021368, 7526710, 10537394, 15053420, 21074788, 26343485, 30106840, 42149576, 52686970, 105373940, 210747880]

約数ペア:

[(1, 210747880), (2, 105373940), (4, 52686970), (5, 42149576), (7, 30106840), (8, 26343485), (10, 21074788), (14, 15053420), (20, 10537394), (28, 7526710), (35, 6021368), (40, 5268697), (56, 3763355), (70, 3010684), (71, 2968280), (140, 1505342), (142, 1484140), (280, 752671), (284, 742070), (355, 593656), (497, 424040), (568, 371035), (710, 296828), (994, 212020), (1420, 148414), (1988, 106010), (2485, 84808), (2840, 74207), (3976, 53005), (4970, 42404), (9940, 21202), (10601, 19880)]