28707910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1621}}^1$

素因数の和:1669

約数の個数: 64

約数和(自身を含む): 67267584

約数和(自身を除く): 38559674

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 35, 46, 55, 70, 77, 110, 115, 154, 161, 230, 253, 322, 385, 506, 770, 805, 1265, 1610, 1621, 1771, 2530, 3242, 3542, 8105, 8855, 11347, 16210, 17710, 17831, 22694, 35662, 37283, 56735, 74566, 89155, 113470, 124817, 178310, 186415, 249634, 260981, 372830, 410113, 521962, 624085, 820226, 1248170, 1304905, 2050565, 2609810, 2870791, 4101130, 5741582, 14353955, 28707910]

約数ペア:

[(1, 28707910), (2, 14353955), (5, 5741582), (7, 4101130), (10, 2870791), (11, 2609810), (14, 2050565), (22, 1304905), (23, 1248170), (35, 820226), (46, 624085), (55, 521962), (70, 410113), (77, 372830), (110, 260981), (115, 249634), (154, 186415), (161, 178310), (230, 124817), (253, 113470), (322, 89155), (385, 74566), (506, 56735), (770, 37283), (805, 35662), (1265, 22694), (1610, 17831), (1621, 17710), (1771, 16210), (2530, 11347), (3242, 8855), (3542, 8105)]