131305240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{653}}^1$

素因数の和:1132

約数の個数: 64

約数和(自身を含む): 323494560

約数和(自身を除く): 192189320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 457, 653, 914, 1306, 1828, 2285, 2612, 3265, 3656, 4570, 5027, 5224, 6530, 7183, 9140, 10054, 13060, 14366, 18280, 20108, 25135, 26120, 28732, 35915, 40216, 50270, 57464, 71830, 100540, 143660, 201080, 287320, 298421, 596842, 1193684, 1492105, 2387368, 2984210, 3282631, 5968420, 6565262, 11936840, 13130524, 16413155, 26261048, 32826310, 65652620, 131305240]

約数ペア:

[(1, 131305240), (2, 65652620), (4, 32826310), (5, 26261048), (8, 16413155), (10, 13130524), (11, 11936840), (20, 6565262), (22, 5968420), (40, 3282631), (44, 2984210), (55, 2387368), (88, 1492105), (110, 1193684), (220, 596842), (440, 298421), (457, 287320), (653, 201080), (914, 143660), (1306, 100540), (1828, 71830), (2285, 57464), (2612, 50270), (3265, 40216), (3656, 35915), (4570, 28732), (5027, 26120), (5224, 25135), (6530, 20108), (7183, 18280), (9140, 14366), (10054, 13060)]