219070880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{195599}}^1$

素因数の和:195621

約数の個数: 48

約数和(自身を含む): 591494400

約数和(自身を除く): 372423520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 195599, 391198, 782396, 977995, 1369193, 1564792, 1955990, 2738386, 3129584, 3911980, 5476772, 6259168, 6845965, 7823960, 10953544, 13691930, 15647920, 21907088, 27383860, 31295840, 43814176, 54767720, 109535440, 219070880]

約数ペア:

[(1, 219070880), (2, 109535440), (4, 54767720), (5, 43814176), (7, 31295840), (8, 27383860), (10, 21907088), (14, 15647920), (16, 13691930), (20, 10953544), (28, 7823960), (32, 6845965), (35, 6259168), (40, 5476772), (56, 3911980), (70, 3129584), (80, 2738386), (112, 1955990), (140, 1564792), (160, 1369193), (224, 977995), (280, 782396), (560, 391198), (1120, 195599)]