4168420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 9269568

約数和(自身を除く): 5101148

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 131, 148, 172, 185, 215, 262, 370, 430, 524, 655, 740, 860, 1310, 1591, 2620, 3182, 4847, 5633, 6364, 7955, 9694, 11266, 15910, 19388, 22532, 24235, 28165, 31820, 48470, 56330, 96940, 112660, 208421, 416842, 833684, 1042105, 2084210, 4168420]

約数ペア:

[(1, 4168420), (2, 2084210), (4, 1042105), (5, 833684), (10, 416842), (20, 208421), (37, 112660), (43, 96940), (74, 56330), (86, 48470), (131, 31820), (148, 28165), (172, 24235), (185, 22532), (215, 19388), (262, 15910), (370, 11266), (430, 9694), (524, 7955), (655, 6364), (740, 5633), (860, 4847), (1310, 3182), (1591, 2620)]