788768890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{761}}^1$

素因数の和:872

約数の個数: 128

約数和(自身を含む): 1880299008

約数和(自身を除く): 1091530118

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 65, 67, 70, 85, 91, 119, 130, 134, 170, 182, 221, 238, 335, 442, 455, 469, 595, 670, 761, 871, 910, 938, 1105, 1139, 1190, 1522, 1547, 1742, 2210, 2278, 2345, 3094, 3805, 4355, 4690, 5327, 5695, 6097, 7610, 7735, 7973, 8710, 9893, 10654, 11390, 12194, 12937, 14807, 15470, 15946, 19786, 25874, 26635, 29614, 30485, 39865, 49465, 50987, 53270, 60970, 64685, 69251, 74035, 79730, 90559, 98930, 101974, 103649, 129370, 138502, 148070, 168181, 181118, 207298, 254935, 336362, 346255, 356909, 452795, 509870, 518245, 662831, 692510, 713818, 840905, 866779, 905590, 1036490, 1177267, 1325662, 1681810, 1733558, 1784545, 2354534, 3314155, 3569090, 4333895, 4639817, 5886335, 6067453, 6628310, 8667790, 9279634, 11268127, 11772670, 12134906, 22536254, 23199085, 30337265, 46398170, 56340635, 60674530, 78876889, 112681270, 157753778, 394384445, 788768890]

約数ペア:

[(1, 788768890), (2, 394384445), (5, 157753778), (7, 112681270), (10, 78876889), (13, 60674530), (14, 56340635), (17, 46398170), (26, 30337265), (34, 23199085), (35, 22536254), (65, 12134906), (67, 11772670), (70, 11268127), (85, 9279634), (91, 8667790), (119, 6628310), (130, 6067453), (134, 5886335), (170, 4639817), (182, 4333895), (221, 3569090), (238, 3314155), (335, 2354534), (442, 1784545), (455, 1733558), (469, 1681810), (595, 1325662), (670, 1177267), (761, 1036490), (871, 905590), (910, 866779), (938, 840905), (1105, 713818), (1139, 692510), (1190, 662831), (1522, 518245), (1547, 509870), (1742, 452795), (2210, 356909), (2278, 346255), (2345, 336362), (3094, 254935), (3805, 207298), (4355, 181118), (4690, 168181), (5327, 148070), (5695, 138502), (6097, 129370), (7610, 103649), (7735, 101974), (7973, 98930), (8710, 90559), (9893, 79730), (10654, 74035), (11390, 69251), (12194, 64685), (12937, 60970), (14807, 53270), (15470, 50987), (15946, 49465), (19786, 39865), (25874, 30485), (26635, 29614)]