69178460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 159684336

約数和(自身を除く): 90505876

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 169, 194, 211, 260, 338, 388, 422, 485, 676, 844, 845, 970, 1055, 1261, 1690, 1940, 2110, 2522, 2743, 3380, 4220, 5044, 5486, 6305, 10972, 12610, 13715, 16393, 20467, 25220, 27430, 32786, 35659, 40934, 54860, 65572, 71318, 81868, 81965, 102335, 142636, 163930, 178295, 204670, 266071, 327860, 356590, 409340, 532142, 713180, 1064284, 1330355, 2660710, 3458923, 5321420, 6917846, 13835692, 17294615, 34589230, 69178460]

約数ペア:

[(1, 69178460), (2, 34589230), (4, 17294615), (5, 13835692), (10, 6917846), (13, 5321420), (20, 3458923), (26, 2660710), (52, 1330355), (65, 1064284), (97, 713180), (130, 532142), (169, 409340), (194, 356590), (211, 327860), (260, 266071), (338, 204670), (388, 178295), (422, 163930), (485, 142636), (676, 102335), (844, 81965), (845, 81868), (970, 71318), (1055, 65572), (1261, 54860), (1690, 40934), (1940, 35659), (2110, 32786), (2522, 27430), (2743, 25220), (3380, 20467), (4220, 16393), (5044, 13715), (5486, 12610), (6305, 10972)]