1285145240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{14401}}^1$

素因数の和:14532

約数の個数: 64

約数和(自身を含む): 3048615360

約数和(自身を除く): 1763470120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 97, 115, 184, 194, 230, 388, 460, 485, 776, 920, 970, 1940, 2231, 3880, 4462, 8924, 11155, 14401, 17848, 22310, 28802, 44620, 57604, 72005, 89240, 115208, 144010, 288020, 331223, 576040, 662446, 1324892, 1396897, 1656115, 2649784, 2793794, 3312230, 5587588, 6624460, 6984485, 11175176, 13248920, 13968970, 27937940, 32128631, 55875880, 64257262, 128514524, 160643155, 257029048, 321286310, 642572620, 1285145240]

約数ペア:

[(1, 1285145240), (2, 642572620), (4, 321286310), (5, 257029048), (8, 160643155), (10, 128514524), (20, 64257262), (23, 55875880), (40, 32128631), (46, 27937940), (92, 13968970), (97, 13248920), (115, 11175176), (184, 6984485), (194, 6624460), (230, 5587588), (388, 3312230), (460, 2793794), (485, 2649784), (776, 1656115), (920, 1396897), (970, 1324892), (1940, 662446), (2231, 576040), (3880, 331223), (4462, 288020), (8924, 144010), (11155, 115208), (14401, 89240), (17848, 72005), (22310, 57604), (28802, 44620)]