201912974795

素因数分解:

$5^1\times 7^3\times {\mathrm{409}}^1\times {\mathrm{287857}}^1$

素因数の和:288292

約数の個数: 32

約数和(自身を含む): 283252272000

約数和(自身を除く): 81339297205

約数列:

[1, 5, 7, 35, 49, 245, 343, 409, 1715, 2045, 2863, 14315, 20041, 100205, 140287, 287857, 701435, 1439285, 2014999, 10074995, 14104993, 70524965, 98734951, 117733513, 493674755, 588667565, 824134591, 4120672955, 5768942137, 28844710685, 40382594959, 201912974795]

約数ペア:

[(1, 201912974795), (5, 40382594959), (7, 28844710685), (35, 5768942137), (49, 4120672955), (245, 824134591), (343, 588667565), (409, 493674755), (1715, 117733513), (2045, 98734951), (2863, 70524965), (14315, 14104993), (20041, 10074995), (100205, 2014999), (140287, 1439285), (287857, 701435)]