261000880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{466073}}^1$

素因数の和:466093

約数の個数: 40

約数和(自身を含む): 693518112

約数和(自身を除く): 432517232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 466073, 932146, 1864292, 2330365, 3262511, 3728584, 4660730, 6525022, 7457168, 9321460, 13050044, 16312555, 18642920, 26100088, 32625110, 37285840, 52200176, 65250220, 130500440, 261000880]

約数ペア:

[(1, 261000880), (2, 130500440), (4, 65250220), (5, 52200176), (7, 37285840), (8, 32625110), (10, 26100088), (14, 18642920), (16, 16312555), (20, 13050044), (28, 9321460), (35, 7457168), (40, 6525022), (56, 4660730), (70, 3728584), (80, 3262511), (112, 2330365), (140, 1864292), (280, 932146), (560, 466073)]