260004316

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:144

約数の個数: 108

約数和(自身を含む): 569481528

約数和(自身を除く): 309477212

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 43, 44, 52, 62, 86, 121, 124, 143, 172, 242, 286, 341, 403, 473, 484, 559, 572, 682, 806, 946, 961, 1118, 1333, 1364, 1573, 1612, 1892, 1922, 2236, 2666, 3146, 3751, 3844, 4433, 5203, 5332, 6149, 6292, 7502, 8866, 10406, 10571, 12298, 12493, 14663, 15004, 17329, 17732, 20812, 21142, 24596, 24986, 29326, 34658, 41323, 42284, 48763, 49972, 58652, 67639, 69316, 82646, 97526, 116281, 135278, 137423, 161293, 165292, 190619, 195052, 232562, 270556, 274846, 322586, 381238, 454553, 465124, 537199, 549692, 645172, 762476, 909106, 1074398, 1511653, 1818212, 2096809, 2148796, 3023306, 4193618, 5000083, 5909189, 6046612, 8387236, 10000166, 11818378, 20000332, 23636756, 65001079, 130002158, 260004316]

約数ペア:

[(1, 260004316), (2, 130002158), (4, 65001079), (11, 23636756), (13, 20000332), (22, 11818378), (26, 10000166), (31, 8387236), (43, 6046612), (44, 5909189), (52, 5000083), (62, 4193618), (86, 3023306), (121, 2148796), (124, 2096809), (143, 1818212), (172, 1511653), (242, 1074398), (286, 909106), (341, 762476), (403, 645172), (473, 549692), (484, 537199), (559, 465124), (572, 454553), (682, 381238), (806, 322586), (946, 274846), (961, 270556), (1118, 232562), (1333, 195052), (1364, 190619), (1573, 165292), (1612, 161293), (1892, 137423), (1922, 135278), (2236, 116281), (2666, 97526), (3146, 82646), (3751, 69316), (3844, 67639), (4433, 58652), (5203, 49972), (5332, 48763), (6149, 42284), (6292, 41323), (7502, 34658), (8866, 29326), (10406, 24986), (10571, 24596), (12298, 21142), (12493, 20812), (14663, 17732), (15004, 17329)]