30892780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{383}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 67415040

約数和(自身を除く): 36522260

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 109, 148, 185, 218, 370, 383, 436, 545, 740, 766, 1090, 1532, 1915, 2180, 3830, 4033, 7660, 8066, 14171, 16132, 20165, 28342, 40330, 41747, 56684, 70855, 80660, 83494, 141710, 166988, 208735, 283420, 417470, 834940, 1544639, 3089278, 6178556, 7723195, 15446390, 30892780]

約数ペア:

[(1, 30892780), (2, 15446390), (4, 7723195), (5, 6178556), (10, 3089278), (20, 1544639), (37, 834940), (74, 417470), (109, 283420), (148, 208735), (185, 166988), (218, 141710), (370, 83494), (383, 80660), (436, 70855), (545, 56684), (740, 41747), (766, 40330), (1090, 28342), (1532, 20165), (1915, 16132), (2180, 14171), (3830, 8066), (4033, 7660)]