698928260

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1\times {\mathrm{967}}^1$

素因数の和:1556

約数の個数: 48

約数和(自身を含む): 1492888320

約数和(自身を除く): 793960060

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 509, 710, 967, 1018, 1420, 1934, 2036, 2545, 3868, 4835, 5090, 9670, 10180, 19340, 36139, 68657, 72278, 137314, 144556, 180695, 274628, 343285, 361390, 492203, 686570, 722780, 984406, 1373140, 1968812, 2461015, 4922030, 9844060, 34946413, 69892826, 139785652, 174732065, 349464130, 698928260]

約数ペア:

[(1, 698928260), (2, 349464130), (4, 174732065), (5, 139785652), (10, 69892826), (20, 34946413), (71, 9844060), (142, 4922030), (284, 2461015), (355, 1968812), (509, 1373140), (710, 984406), (967, 722780), (1018, 686570), (1420, 492203), (1934, 361390), (2036, 343285), (2545, 274628), (3868, 180695), (4835, 144556), (5090, 137314), (9670, 72278), (10180, 68657), (19340, 36139)]