305221510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3947}}^1$

素因数の和:4021

約数の個数: 64

約数和(自身を含む): 648103680

約数和(自身を除く): 342882170

約数列:

[1, 2, 5, 10, 11, 19, 22, 37, 38, 55, 74, 95, 110, 185, 190, 209, 370, 407, 418, 703, 814, 1045, 1406, 2035, 2090, 3515, 3947, 4070, 7030, 7733, 7894, 15466, 19735, 38665, 39470, 43417, 74993, 77330, 86834, 146039, 149986, 217085, 292078, 374965, 434170, 730195, 749930, 824923, 1460390, 1606429, 1649846, 2774741, 3212858, 4124615, 5549482, 8032145, 8249230, 13873705, 16064290, 27747410, 30522151, 61044302, 152610755, 305221510]

約数ペア:

[(1, 305221510), (2, 152610755), (5, 61044302), (10, 30522151), (11, 27747410), (19, 16064290), (22, 13873705), (37, 8249230), (38, 8032145), (55, 5549482), (74, 4124615), (95, 3212858), (110, 2774741), (185, 1649846), (190, 1606429), (209, 1460390), (370, 824923), (407, 749930), (418, 730195), (703, 434170), (814, 374965), (1045, 292078), (1406, 217085), (2035, 149986), (2090, 146039), (3515, 86834), (3947, 77330), (4070, 74993), (7030, 43417), (7733, 39470), (7894, 38665), (15466, 19735)]