378933340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{2251}}^1$

素因数の和:2722

約数の個数: 48

約数和(自身を含む): 839905920

約数和(自身を除く): 460972580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 443, 886, 1772, 2215, 2251, 4430, 4502, 8417, 8860, 9004, 11255, 16834, 22510, 33668, 42085, 42769, 45020, 84170, 85538, 168340, 171076, 213845, 427690, 855380, 997193, 1994386, 3988772, 4985965, 9971930, 18946667, 19943860, 37893334, 75786668, 94733335, 189466670, 378933340]

約数ペア:

[(1, 378933340), (2, 189466670), (4, 94733335), (5, 75786668), (10, 37893334), (19, 19943860), (20, 18946667), (38, 9971930), (76, 4985965), (95, 3988772), (190, 1994386), (380, 997193), (443, 855380), (886, 427690), (1772, 213845), (2215, 171076), (2251, 168340), (4430, 85538), (4502, 84170), (8417, 45020), (8860, 42769), (9004, 42085), (11255, 33668), (16834, 22510)]