18138267650

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{1657}}^1$

素因数の和:1864

約数の個数: 96

約数和(自身を含む): 35601544272

約数和(自身を除く): 17463276622

約数列:

[1, 2, 5, 10, 25, 37, 50, 61, 74, 97, 122, 185, 194, 305, 370, 485, 610, 925, 970, 1525, 1657, 1850, 2257, 2425, 3050, 3314, 3589, 4514, 4850, 5917, 7178, 8285, 11285, 11834, 16570, 17945, 22570, 29585, 35890, 41425, 56425, 59170, 61309, 82850, 89725, 101077, 112850, 122618, 147925, 160729, 179450, 202154, 218929, 295850, 306545, 321458, 437858, 505385, 613090, 803645, 1010770, 1094645, 1532725, 1607290, 2189290, 2526925, 3065450, 3739849, 4018225, 5053850, 5473225, 5946973, 7479698, 8036450, 9804469, 10946450, 11893946, 18699245, 19608938, 29734865, 37398490, 49022345, 59469730, 93496225, 98044690, 148674325, 186992450, 245111725, 297348650, 362765353, 490223450, 725530706, 1813826765, 3627653530, 9069133825, 18138267650]

約数ペア:

[(1, 18138267650), (2, 9069133825), (5, 3627653530), (10, 1813826765), (25, 725530706), (37, 490223450), (50, 362765353), (61, 297348650), (74, 245111725), (97, 186992450), (122, 148674325), (185, 98044690), (194, 93496225), (305, 59469730), (370, 49022345), (485, 37398490), (610, 29734865), (925, 19608938), (970, 18699245), (1525, 11893946), (1657, 10946450), (1850, 9804469), (2257, 8036450), (2425, 7479698), (3050, 5946973), (3314, 5473225), (3589, 5053850), (4514, 4018225), (4850, 3739849), (5917, 3065450), (7178, 2526925), (8285, 2189290), (11285, 1607290), (11834, 1532725), (16570, 1094645), (17945, 1010770), (22570, 803645), (29585, 613090), (35890, 505385), (41425, 437858), (56425, 321458), (59170, 306545), (61309, 295850), (82850, 218929), (89725, 202154), (101077, 179450), (112850, 160729), (122618, 147925)]