1440627412

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{1447}}^1$

素因数の和:1557

約数の個数: 72

約数和(自身を含む): 3059774592

約数和(自身を除く): 1619147180

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 62, 74, 124, 148, 217, 259, 434, 518, 868, 961, 1036, 1147, 1447, 1922, 2294, 2894, 3844, 4588, 5788, 6727, 8029, 10129, 13454, 16058, 20258, 26908, 32116, 35557, 40516, 44857, 53539, 71114, 89714, 107078, 142228, 179428, 214156, 248899, 313999, 374773, 497798, 627998, 749546, 995596, 1255996, 1390567, 1499092, 1659709, 2781134, 3319418, 5562268, 6638836, 9733969, 11617963, 19467938, 23235926, 38935876, 46471852, 51450979, 102901958, 205803916, 360156853, 720313706, 1440627412]

約数ペア:

[(1, 1440627412), (2, 720313706), (4, 360156853), (7, 205803916), (14, 102901958), (28, 51450979), (31, 46471852), (37, 38935876), (62, 23235926), (74, 19467938), (124, 11617963), (148, 9733969), (217, 6638836), (259, 5562268), (434, 3319418), (518, 2781134), (868, 1659709), (961, 1499092), (1036, 1390567), (1147, 1255996), (1447, 995596), (1922, 749546), (2294, 627998), (2894, 497798), (3844, 374773), (4588, 313999), (5788, 248899), (6727, 214156), (8029, 179428), (10129, 142228), (13454, 107078), (16058, 89714), (20258, 71114), (26908, 53539), (32116, 44857), (35557, 40516)]