137269160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{490247}}^1$

素因数の和:490265

約数の個数: 32

約数和(自身を含む): 352978560

約数和(自身を除く): 215709400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 490247, 980494, 1960988, 2451235, 3431729, 3921976, 4902470, 6863458, 9804940, 13726916, 17158645, 19609880, 27453832, 34317290, 68634580, 137269160]

約数ペア:

[(1, 137269160), (2, 68634580), (4, 34317290), (5, 27453832), (7, 19609880), (8, 17158645), (10, 13726916), (14, 9804940), (20, 6863458), (28, 4902470), (35, 3921976), (40, 3431729), (56, 2451235), (70, 1960988), (140, 980494), (280, 490247)]