2556190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^2$

素因数の和:133

約数の個数: 48

約数和(自身を含む): 5771808

約数和(自身を除く): 3215618

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 53, 65, 70, 91, 106, 130, 182, 265, 371, 455, 530, 689, 742, 910, 1378, 1855, 2809, 3445, 3710, 4823, 5618, 6890, 9646, 14045, 19663, 24115, 28090, 36517, 39326, 48230, 73034, 98315, 182585, 196630, 255619, 365170, 511238, 1278095, 2556190]

約数ペア:

[(1, 2556190), (2, 1278095), (5, 511238), (7, 365170), (10, 255619), (13, 196630), (14, 182585), (26, 98315), (35, 73034), (53, 48230), (65, 39326), (70, 36517), (91, 28090), (106, 24115), (130, 19663), (182, 14045), (265, 9646), (371, 6890), (455, 5618), (530, 4823), (689, 3710), (742, 3445), (910, 2809), (1378, 1855)]