289704820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{23029}}^1$

素因数の和:23092

約数の個数: 48

約数和(自身を含む): 661605840

約数和(自身を除く): 371901020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1258, 2516, 3145, 6290, 12580, 23029, 46058, 92116, 115145, 230290, 391493, 460580, 782986, 852073, 1565972, 1704146, 1957465, 3408292, 3914930, 4260365, 7829860, 8520730, 14485241, 17041460, 28970482, 57940964, 72426205, 144852410, 289704820]

約数ペア:

[(1, 289704820), (2, 144852410), (4, 72426205), (5, 57940964), (10, 28970482), (17, 17041460), (20, 14485241), (34, 8520730), (37, 7829860), (68, 4260365), (74, 3914930), (85, 3408292), (148, 1957465), (170, 1704146), (185, 1565972), (340, 852073), (370, 782986), (629, 460580), (740, 391493), (1258, 230290), (2516, 115145), (3145, 92116), (6290, 46058), (12580, 23029)]