164801840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{294289}}^1$

素因数の和:294309

約数の個数: 40

約数和(自身を含む): 437903520

約数和(自身を除く): 273101680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 294289, 588578, 1177156, 1471445, 2060023, 2354312, 2942890, 4120046, 4708624, 5885780, 8240092, 10300115, 11771560, 16480184, 20600230, 23543120, 32960368, 41200460, 82400920, 164801840]

約数ペア:

[(1, 164801840), (2, 82400920), (4, 41200460), (5, 32960368), (7, 23543120), (8, 20600230), (10, 16480184), (14, 11771560), (16, 10300115), (20, 8240092), (28, 5885780), (35, 4708624), (40, 4120046), (56, 2942890), (70, 2354312), (80, 2060023), (112, 1471445), (140, 1177156), (280, 588578), (560, 294289)]