253248030

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{401981}}^1$

素因数の和:402001

約数の個数: 48

約数和(自身を含む): 752510304

約数和(自身を除く): 499262274

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 401981, 803962, 1205943, 2009905, 2411886, 2813867, 3617829, 4019810, 5627734, 6029715, 7235658, 8441601, 12059430, 14069335, 16883202, 18089145, 25324803, 28138670, 36178290, 42208005, 50649606, 84416010, 126624015, 253248030]

約数ペア:

[(1, 253248030), (2, 126624015), (3, 84416010), (5, 50649606), (6, 42208005), (7, 36178290), (9, 28138670), (10, 25324803), (14, 18089145), (15, 16883202), (18, 14069335), (21, 12059430), (30, 8441601), (35, 7235658), (42, 6029715), (45, 5627734), (63, 4019810), (70, 3617829), (90, 2813867), (105, 2411886), (126, 2009905), (210, 1205943), (315, 803962), (630, 401981)]