30394390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 62052480

約数和(自身を除く): 31658090

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 71, 74, 89, 130, 142, 178, 185, 355, 370, 445, 481, 710, 890, 923, 962, 1157, 1846, 2314, 2405, 2627, 3293, 4615, 4810, 5254, 5785, 6319, 6586, 9230, 11570, 12638, 13135, 16465, 26270, 31595, 32930, 34151, 42809, 63190, 68302, 82147, 85618, 164294, 170755, 214045, 233803, 341510, 410735, 428090, 467606, 821470, 1169015, 2338030, 3039439, 6078878, 15197195, 30394390]

約数ペア:

[(1, 30394390), (2, 15197195), (5, 6078878), (10, 3039439), (13, 2338030), (26, 1169015), (37, 821470), (65, 467606), (71, 428090), (74, 410735), (89, 341510), (130, 233803), (142, 214045), (178, 170755), (185, 164294), (355, 85618), (370, 82147), (445, 68302), (481, 63190), (710, 42809), (890, 34151), (923, 32930), (962, 31595), (1157, 26270), (1846, 16465), (2314, 13135), (2405, 12638), (2627, 11570), (3293, 9230), (4615, 6586), (4810, 6319), (5254, 5785)]