138785140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:377

約数の個数: 96

約数和(自身を含む): 330107904

約数和(自身を除く): 191322764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 67, 124, 130, 134, 155, 257, 260, 268, 310, 335, 403, 514, 620, 670, 806, 871, 1028, 1285, 1340, 1612, 1742, 2015, 2077, 2570, 3341, 3484, 4030, 4154, 4355, 5140, 6682, 7967, 8060, 8308, 8710, 10385, 13364, 15934, 16705, 17219, 17420, 20770, 27001, 31868, 33410, 34438, 39835, 41540, 54002, 66820, 68876, 79670, 86095, 103571, 108004, 135005, 159340, 172190, 207142, 223847, 270010, 344380, 414284, 447694, 517855, 533789, 540020, 895388, 1035710, 1067578, 1119235, 2071420, 2135156, 2238470, 2668945, 4476940, 5337890, 6939257, 10675780, 13878514, 27757028, 34696285, 69392570, 138785140]

約数ペア:

[(1, 138785140), (2, 69392570), (4, 34696285), (5, 27757028), (10, 13878514), (13, 10675780), (20, 6939257), (26, 5337890), (31, 4476940), (52, 2668945), (62, 2238470), (65, 2135156), (67, 2071420), (124, 1119235), (130, 1067578), (134, 1035710), (155, 895388), (257, 540020), (260, 533789), (268, 517855), (310, 447694), (335, 414284), (403, 344380), (514, 270010), (620, 223847), (670, 207142), (806, 172190), (871, 159340), (1028, 135005), (1285, 108004), (1340, 103571), (1612, 86095), (1742, 79670), (2015, 68876), (2077, 66820), (2570, 54002), (3341, 41540), (3484, 39835), (4030, 34438), (4154, 33410), (4355, 31868), (5140, 27001), (6682, 20770), (7967, 17420), (8060, 17219), (8308, 16705), (8710, 15934), (10385, 13364)]