68457290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:455

約数の個数: 64

約数和(自身を含む): 141305472

約数和(自身を除く): 72848182

約数列:

[1, 2, 5, 10, 11, 22, 41, 43, 55, 82, 86, 110, 205, 215, 353, 410, 430, 451, 473, 706, 902, 946, 1763, 1765, 2255, 2365, 3526, 3530, 3883, 4510, 4730, 7766, 8815, 14473, 15179, 17630, 19393, 19415, 28946, 30358, 38786, 38830, 72365, 75895, 96965, 144730, 151790, 159203, 166969, 193930, 318406, 333938, 622339, 796015, 834845, 1244678, 1592030, 1669690, 3111695, 6223390, 6845729, 13691458, 34228645, 68457290]

約数ペア:

[(1, 68457290), (2, 34228645), (5, 13691458), (10, 6845729), (11, 6223390), (22, 3111695), (41, 1669690), (43, 1592030), (55, 1244678), (82, 834845), (86, 796015), (110, 622339), (205, 333938), (215, 318406), (353, 193930), (410, 166969), (430, 159203), (451, 151790), (473, 144730), (706, 96965), (902, 75895), (946, 72365), (1763, 38830), (1765, 38786), (2255, 30358), (2365, 28946), (3526, 19415), (3530, 19393), (3883, 17630), (4510, 15179), (4730, 14473), (7766, 8815)]