71354140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:503

約数の個数: 96

約数和(自身を含む): 179363520

約数和(自身を除く): 108009380

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 61, 65, 110, 122, 130, 143, 220, 244, 260, 286, 305, 409, 572, 610, 671, 715, 793, 818, 1220, 1342, 1430, 1586, 1636, 2045, 2684, 2860, 3172, 3355, 3965, 4090, 4499, 5317, 6710, 7930, 8180, 8723, 8998, 10634, 13420, 15860, 17446, 17996, 21268, 22495, 24949, 26585, 34892, 43615, 44990, 49898, 53170, 58487, 87230, 89980, 99796, 106340, 116974, 124745, 174460, 233948, 249490, 274439, 292435, 324337, 498980, 548878, 584870, 648674, 1097756, 1169740, 1297348, 1372195, 1621685, 2744390, 3243370, 3567707, 5488780, 6486740, 7135414, 14270828, 17838535, 35677070, 71354140]

約数ペア:

[(1, 71354140), (2, 35677070), (4, 17838535), (5, 14270828), (10, 7135414), (11, 6486740), (13, 5488780), (20, 3567707), (22, 3243370), (26, 2744390), (44, 1621685), (52, 1372195), (55, 1297348), (61, 1169740), (65, 1097756), (110, 648674), (122, 584870), (130, 548878), (143, 498980), (220, 324337), (244, 292435), (260, 274439), (286, 249490), (305, 233948), (409, 174460), (572, 124745), (610, 116974), (671, 106340), (715, 99796), (793, 89980), (818, 87230), (1220, 58487), (1342, 53170), (1430, 49898), (1586, 44990), (1636, 43615), (2045, 34892), (2684, 26585), (2860, 24949), (3172, 22495), (3355, 21268), (3965, 17996), (4090, 17446), (4499, 15860), (5317, 13420), (6710, 10634), (7930, 8998), (8180, 8723)]