129419920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{231107}}^1$

素因数の和:231127

約数の個数: 40

約数和(自身を含む): 343888704

約数和(自身を除く): 214468784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 231107, 462214, 924428, 1155535, 1617749, 1848856, 2311070, 3235498, 3697712, 4622140, 6470996, 8088745, 9244280, 12941992, 16177490, 18488560, 25883984, 32354980, 64709960, 129419920]

約数ペア:

[(1, 129419920), (2, 64709960), (4, 32354980), (5, 25883984), (7, 18488560), (8, 16177490), (10, 12941992), (14, 9244280), (16, 8088745), (20, 6470996), (28, 4622140), (35, 3697712), (40, 3235498), (56, 2311070), (70, 1848856), (80, 1617749), (112, 1155535), (140, 924428), (280, 462214), (560, 231107)]