129791240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{2729}}^1$

素因数の和:2810

約数の個数: 64

約数和(自身を含む): 309582000

約数和(自身を除く): 179790760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 58, 82, 116, 145, 164, 205, 232, 290, 328, 410, 580, 820, 1160, 1189, 1640, 2378, 2729, 4756, 5458, 5945, 9512, 10916, 11890, 13645, 21832, 23780, 27290, 47560, 54580, 79141, 109160, 111889, 158282, 223778, 316564, 395705, 447556, 559445, 633128, 791410, 895112, 1118890, 1582820, 2237780, 3165640, 3244781, 4475560, 6489562, 12979124, 16223905, 25958248, 32447810, 64895620, 129791240]

約数ペア:

[(1, 129791240), (2, 64895620), (4, 32447810), (5, 25958248), (8, 16223905), (10, 12979124), (20, 6489562), (29, 4475560), (40, 3244781), (41, 3165640), (58, 2237780), (82, 1582820), (116, 1118890), (145, 895112), (164, 791410), (205, 633128), (232, 559445), (290, 447556), (328, 395705), (410, 316564), (580, 223778), (820, 158282), (1160, 111889), (1189, 109160), (1640, 79141), (2378, 54580), (2729, 47560), (4756, 27290), (5458, 23780), (5945, 21832), (9512, 13645), (10916, 11890)]