77940940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 212357376

約数和(自身を除く): 134416436

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 43, 44, 55, 70, 77, 86, 107, 110, 121, 140, 154, 172, 214, 215, 220, 242, 301, 308, 385, 428, 430, 473, 484, 535, 602, 605, 749, 770, 847, 860, 946, 1070, 1177, 1204, 1210, 1498, 1505, 1540, 1694, 1892, 2140, 2354, 2365, 2420, 2996, 3010, 3311, 3388, 3745, 4235, 4601, 4708, 4730, 5203, 5885, 6020, 6622, 7490, 8239, 8470, 9202, 9460, 10406, 11770, 12947, 13244, 14980, 16478, 16555, 16940, 18404, 20812, 23005, 23540, 25894, 26015, 32207, 32956, 33110, 36421, 41195, 46010, 50611, 51788, 52030, 64414, 64735, 66220, 72842, 82390, 90629, 92020, 101222, 104060, 128828, 129470, 145684, 161035, 164780, 181258, 182105, 202444, 253055, 258940, 322070, 354277, 362516, 364210, 453145, 506110, 556721, 644140, 708554, 728420, 906290, 1012220, 1113442, 1417108, 1771385, 1812580, 2226884, 2783605, 3542770, 3897047, 5567210, 7085540, 7794094, 11134420, 15588188, 19485235, 38970470, 77940940]

約数ペア:

[(1, 77940940), (2, 38970470), (4, 19485235), (5, 15588188), (7, 11134420), (10, 7794094), (11, 7085540), (14, 5567210), (20, 3897047), (22, 3542770), (28, 2783605), (35, 2226884), (43, 1812580), (44, 1771385), (55, 1417108), (70, 1113442), (77, 1012220), (86, 906290), (107, 728420), (110, 708554), (121, 644140), (140, 556721), (154, 506110), (172, 453145), (214, 364210), (215, 362516), (220, 354277), (242, 322070), (301, 258940), (308, 253055), (385, 202444), (428, 182105), (430, 181258), (473, 164780), (484, 161035), (535, 145684), (602, 129470), (605, 128828), (749, 104060), (770, 101222), (847, 92020), (860, 90629), (946, 82390), (1070, 72842), (1177, 66220), (1204, 64735), (1210, 64414), (1498, 52030), (1505, 51788), (1540, 50611), (1694, 46010), (1892, 41195), (2140, 36421), (2354, 33110), (2365, 32956), (2420, 32207), (2996, 26015), (3010, 25894), (3311, 23540), (3388, 23005), (3745, 20812), (4235, 18404), (4601, 16940), (4708, 16555), (4730, 16478), (5203, 14980), (5885, 13244), (6020, 12947), (6622, 11770), (7490, 10406), (8239, 9460), (8470, 9202)]