30001900

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{3371}}^1$

素因数の和:3474

約数の個数: 36

約数和(自身を含む): 65855160

約数和(自身を除く): 35853260

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 356, 445, 890, 1780, 2225, 3371, 4450, 6742, 8900, 13484, 16855, 33710, 67420, 84275, 168550, 300019, 337100, 600038, 1200076, 1500095, 3000190, 6000380, 7500475, 15000950, 30001900]

約数ペア:

[(1, 30001900), (2, 15000950), (4, 7500475), (5, 6000380), (10, 3000190), (20, 1500095), (25, 1200076), (50, 600038), (89, 337100), (100, 300019), (178, 168550), (356, 84275), (445, 67420), (890, 33710), (1780, 16855), (2225, 13484), (3371, 8900), (4450, 6742)]