211679440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{377999}}^1$

素因数の和:378019

約数の個数: 40

約数和(自身を含む): 562464000

約数和(自身を除く): 350784560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 377999, 755998, 1511996, 1889995, 2645993, 3023992, 3779990, 5291986, 6047984, 7559980, 10583972, 13229965, 15119960, 21167944, 26459930, 30239920, 42335888, 52919860, 105839720, 211679440]

約数ペア:

[(1, 211679440), (2, 105839720), (4, 52919860), (5, 42335888), (7, 30239920), (8, 26459930), (10, 21167944), (14, 15119960), (16, 13229965), (20, 10583972), (28, 7559980), (35, 6047984), (40, 5291986), (56, 3779990), (70, 3023992), (80, 2645993), (112, 1889995), (140, 1511996), (280, 755998), (560, 377999)]