340663778

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:416

約数の個数: 72

約数和(自身を含む): 655400592

約数和(自身を除く): 314736814

約数列:

[1, 2, 7, 13, 14, 26, 49, 67, 91, 98, 134, 169, 182, 307, 338, 469, 614, 637, 871, 938, 1183, 1274, 1742, 2149, 2366, 3283, 3991, 4298, 6097, 6566, 7982, 8281, 11323, 12194, 15043, 16562, 20569, 22646, 27937, 30086, 41138, 42679, 51883, 55874, 79261, 85358, 103766, 143983, 158522, 195559, 267397, 287966, 363181, 391118, 534794, 554827, 726362, 1007881, 1109654, 1871779, 2015762, 2542267, 3476161, 3743558, 5084534, 6952322, 13102453, 24333127, 26204906, 48666254, 170331889, 340663778]

約数ペア:

[(1, 340663778), (2, 170331889), (7, 48666254), (13, 26204906), (14, 24333127), (26, 13102453), (49, 6952322), (67, 5084534), (91, 3743558), (98, 3476161), (134, 2542267), (169, 2015762), (182, 1871779), (307, 1109654), (338, 1007881), (469, 726362), (614, 554827), (637, 534794), (871, 391118), (938, 363181), (1183, 287966), (1274, 267397), (1742, 195559), (2149, 158522), (2366, 143983), (3283, 103766), (3991, 85358), (4298, 79261), (6097, 55874), (6566, 51883), (7982, 42679), (8281, 41138), (11323, 30086), (12194, 27937), (15043, 22646), (16562, 20569)]