512065720

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{3557}}^1$

素因数の和:3688

約数の個数: 64

約数和(自身を含む): 1191218400

約数和(自身を除く): 679152680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 61, 118, 122, 236, 244, 295, 305, 472, 488, 590, 610, 1180, 1220, 2360, 2440, 3557, 3599, 7114, 7198, 14228, 14396, 17785, 17995, 28456, 28792, 35570, 35990, 71140, 71980, 142280, 143960, 209863, 216977, 419726, 433954, 839452, 867908, 1049315, 1084885, 1678904, 1735816, 2098630, 2169770, 4197260, 4339540, 8394520, 8679080, 12801643, 25603286, 51206572, 64008215, 102413144, 128016430, 256032860, 512065720]

約数ペア:

[(1, 512065720), (2, 256032860), (4, 128016430), (5, 102413144), (8, 64008215), (10, 51206572), (20, 25603286), (40, 12801643), (59, 8679080), (61, 8394520), (118, 4339540), (122, 4197260), (236, 2169770), (244, 2098630), (295, 1735816), (305, 1678904), (472, 1084885), (488, 1049315), (590, 867908), (610, 839452), (1180, 433954), (1220, 419726), (2360, 216977), (2440, 209863), (3557, 143960), (3599, 142280), (7114, 71980), (7198, 71140), (14228, 35990), (14396, 35570), (17785, 28792), (17995, 28456)]