131758760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1831}}^1$

素因数の和:2106

約数の個数: 64

約数和(自身を含む): 340312320

約数和(自身を除く): 208553560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 257, 280, 514, 1028, 1285, 1799, 1831, 2056, 2570, 3598, 3662, 5140, 7196, 7324, 8995, 9155, 10280, 12817, 14392, 14648, 17990, 18310, 25634, 35980, 36620, 51268, 64085, 71960, 73240, 102536, 128170, 256340, 470567, 512680, 941134, 1882268, 2352835, 3293969, 3764536, 4705670, 6587938, 9411340, 13175876, 16469845, 18822680, 26351752, 32939690, 65879380, 131758760]

約数ペア:

[(1, 131758760), (2, 65879380), (4, 32939690), (5, 26351752), (7, 18822680), (8, 16469845), (10, 13175876), (14, 9411340), (20, 6587938), (28, 4705670), (35, 3764536), (40, 3293969), (56, 2352835), (70, 1882268), (140, 941134), (257, 512680), (280, 470567), (514, 256340), (1028, 128170), (1285, 102536), (1799, 73240), (1831, 71960), (2056, 64085), (2570, 51268), (3598, 36620), (3662, 35980), (5140, 25634), (7196, 18310), (7324, 17990), (8995, 14648), (9155, 14392), (10280, 12817)]