2749040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{4909}}^1$

素因数の和:4929

約数の個数: 40

約数和(自身を含む): 7306080

約数和(自身を除く): 4557040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 4909, 9818, 19636, 24545, 34363, 39272, 49090, 68726, 78544, 98180, 137452, 171815, 196360, 274904, 343630, 392720, 549808, 687260, 1374520, 2749040]

約数ペア:

[(1, 2749040), (2, 1374520), (4, 687260), (5, 549808), (7, 392720), (8, 343630), (10, 274904), (14, 196360), (16, 171815), (20, 137452), (28, 98180), (35, 78544), (40, 68726), (56, 49090), (70, 39272), (80, 34363), (112, 24545), (140, 19636), (280, 9818), (560, 4909)]