1720007740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{16529}}^1$

素因数の和:16603

約数の個数: 72

約数和(自身を含む): 4062809520

約数和(自身を除く): 2342801780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 121, 172, 215, 220, 242, 430, 473, 484, 605, 860, 946, 1210, 1892, 2365, 2420, 4730, 5203, 9460, 10406, 16529, 20812, 26015, 33058, 52030, 66116, 82645, 104060, 165290, 181819, 330580, 363638, 710747, 727276, 909095, 1421494, 1818190, 2000009, 2842988, 3553735, 3636380, 4000018, 7107470, 7818217, 8000036, 10000045, 14214940, 15636434, 20000090, 31272868, 39091085, 40000180, 78182170, 86000387, 156364340, 172000774, 344001548, 430001935, 860003870, 1720007740]

約数ペア:

[(1, 1720007740), (2, 860003870), (4, 430001935), (5, 344001548), (10, 172000774), (11, 156364340), (20, 86000387), (22, 78182170), (43, 40000180), (44, 39091085), (55, 31272868), (86, 20000090), (110, 15636434), (121, 14214940), (172, 10000045), (215, 8000036), (220, 7818217), (242, 7107470), (430, 4000018), (473, 3636380), (484, 3553735), (605, 2842988), (860, 2000009), (946, 1818190), (1210, 1421494), (1892, 909095), (2365, 727276), (2420, 710747), (4730, 363638), (5203, 330580), (9460, 181819), (10406, 165290), (16529, 104060), (20812, 82645), (26015, 66116), (33058, 52030)]