71331860

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{443}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 153510336

約数和(自身を除く): 82178476

約数列:

[1, 2, 4, 5, 10, 20, 83, 97, 166, 194, 332, 388, 415, 443, 485, 830, 886, 970, 1660, 1772, 1940, 2215, 4430, 8051, 8860, 16102, 32204, 36769, 40255, 42971, 73538, 80510, 85942, 147076, 161020, 171884, 183845, 214855, 367690, 429710, 735380, 859420, 3566593, 7133186, 14266372, 17832965, 35665930, 71331860]

約数ペア:

[(1, 71331860), (2, 35665930), (4, 17832965), (5, 14266372), (10, 7133186), (20, 3566593), (83, 859420), (97, 735380), (166, 429710), (194, 367690), (332, 214855), (388, 183845), (415, 171884), (443, 161020), (485, 147076), (830, 85942), (886, 80510), (970, 73538), (1660, 42971), (1772, 40255), (1940, 36769), (2215, 32204), (4430, 16102), (8051, 8860)]