398202280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{2969}}^1$

素因数の和:3466

約数の個数: 64

約数和(自身を含む): 1026432000

約数和(自身を除く): 628229720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 479, 958, 1916, 2395, 2969, 3353, 3832, 4790, 5938, 6706, 9580, 11876, 13412, 14845, 16765, 19160, 20783, 23752, 26824, 29690, 33530, 41566, 59380, 67060, 83132, 103915, 118760, 134120, 166264, 207830, 415660, 831320, 1422151, 2844302, 5688604, 7110755, 9955057, 11377208, 14221510, 19910114, 28443020, 39820228, 49775285, 56886040, 79640456, 99550570, 199101140, 398202280]

約数ペア:

[(1, 398202280), (2, 199101140), (4, 99550570), (5, 79640456), (7, 56886040), (8, 49775285), (10, 39820228), (14, 28443020), (20, 19910114), (28, 14221510), (35, 11377208), (40, 9955057), (56, 7110755), (70, 5688604), (140, 2844302), (280, 1422151), (479, 831320), (958, 415660), (1916, 207830), (2395, 166264), (2969, 134120), (3353, 118760), (3832, 103915), (4790, 83132), (5938, 67060), (6706, 59380), (9580, 41566), (11876, 33530), (13412, 29690), (14845, 26824), (16765, 23752), (19160, 20783)]