242399920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{432857}}^1$

素因数の和:432877

約数の個数: 40

約数和(自身を含む): 644092704

約数和(自身を除く): 401692784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 432857, 865714, 1731428, 2164285, 3029999, 3462856, 4328570, 6059998, 6925712, 8657140, 12119996, 15149995, 17314280, 24239992, 30299990, 34628560, 48479984, 60599980, 121199960, 242399920]

約数ペア:

[(1, 242399920), (2, 121199960), (4, 60599980), (5, 48479984), (7, 34628560), (8, 30299990), (10, 24239992), (14, 17314280), (16, 15149995), (20, 12119996), (28, 8657140), (35, 6925712), (40, 6059998), (56, 4328570), (70, 3462856), (80, 3029999), (112, 2164285), (140, 1731428), (280, 865714), (560, 432857)]