2640804775

素因数分解:

$5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1367}}^1$

素因数の和:1493

約数の個数: 72

約数和(自身を含む): 4060990080

約数和(自身を除く): 1420185305

約数列:

[1, 5, 7, 19, 25, 35, 49, 83, 95, 133, 175, 245, 415, 475, 581, 665, 931, 1225, 1367, 1577, 2075, 2905, 3325, 4067, 4655, 6835, 7885, 9569, 11039, 14525, 20335, 23275, 25973, 34175, 39425, 47845, 55195, 66983, 77273, 101675, 113461, 129865, 181811, 239225, 275975, 334915, 386365, 567305, 649325, 794227, 909055, 1272677, 1674575, 1931825, 2155759, 2836525, 3971135, 4545275, 5559589, 6363385, 10778795, 15090313, 19855675, 27797945, 31816925, 53893975, 75451565, 105632191, 138989725, 377257825, 528160955, 2640804775]

約数ペア:

[(1, 2640804775), (5, 528160955), (7, 377257825), (19, 138989725), (25, 105632191), (35, 75451565), (49, 53893975), (83, 31816925), (95, 27797945), (133, 19855675), (175, 15090313), (245, 10778795), (415, 6363385), (475, 5559589), (581, 4545275), (665, 3971135), (931, 2836525), (1225, 2155759), (1367, 1931825), (1577, 1674575), (2075, 1272677), (2905, 909055), (3325, 794227), (4067, 649325), (4655, 567305), (6835, 386365), (7885, 334915), (9569, 275975), (11039, 239225), (14525, 181811), (20335, 129865), (23275, 113461), (25973, 101675), (34175, 77273), (39425, 66983), (47845, 55195)]