146459720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{7741}}^1$

素因数の和:7806

約数の個数: 64

約数和(自身を含む): 367899840

約数和(自身を除く): 221440120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3784, 4730, 7741, 9460, 15482, 18920, 30964, 38705, 61928, 77410, 85151, 154820, 170302, 309640, 332863, 340604, 425755, 665726, 681208, 851510, 1331452, 1664315, 1703020, 2662904, 3328630, 3406040, 3661493, 6657260, 7322986, 13314520, 14645972, 18307465, 29291944, 36614930, 73229860, 146459720]

約数ペア:

[(1, 146459720), (2, 73229860), (4, 36614930), (5, 29291944), (8, 18307465), (10, 14645972), (11, 13314520), (20, 7322986), (22, 6657260), (40, 3661493), (43, 3406040), (44, 3328630), (55, 2662904), (86, 1703020), (88, 1664315), (110, 1331452), (172, 851510), (215, 681208), (220, 665726), (344, 425755), (430, 340604), (440, 332863), (473, 309640), (860, 170302), (946, 154820), (1720, 85151), (1892, 77410), (2365, 61928), (3784, 38705), (4730, 30964), (7741, 18920), (9460, 15482)]