72742370

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^2\times {\mathrm{89}}^1$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 138940920

約数和(自身を除く): 66198550

約数列:

[1, 2, 5, 10, 37, 47, 74, 89, 94, 178, 185, 235, 370, 445, 470, 890, 1739, 2209, 3293, 3478, 4183, 4418, 6586, 8366, 8695, 11045, 16465, 17390, 20915, 22090, 32930, 41830, 81733, 154771, 163466, 196601, 309542, 393202, 408665, 773855, 817330, 983005, 1547710, 1966010, 7274237, 14548474, 36371185, 72742370]

約数ペア:

[(1, 72742370), (2, 36371185), (5, 14548474), (10, 7274237), (37, 1966010), (47, 1547710), (74, 983005), (89, 817330), (94, 773855), (178, 408665), (185, 393202), (235, 309542), (370, 196601), (445, 163466), (470, 154771), (890, 81733), (1739, 41830), (2209, 32930), (3293, 22090), (3478, 20915), (4183, 17390), (4418, 16465), (6586, 11045), (8366, 8695)]