57154280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{479}}^1$

素因数の和:666

約数の個数: 64

約数和(自身を含む): 136512000

約数和(自身を除く): 79357720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 157, 190, 314, 380, 479, 628, 760, 785, 958, 1256, 1570, 1916, 2395, 2983, 3140, 3832, 4790, 5966, 6280, 9101, 9580, 11932, 14915, 18202, 19160, 23864, 29830, 36404, 45505, 59660, 72808, 75203, 91010, 119320, 150406, 182020, 300812, 364040, 376015, 601624, 752030, 1428857, 1504060, 2857714, 3008120, 5715428, 7144285, 11430856, 14288570, 28577140, 57154280]

約数ペア:

[(1, 57154280), (2, 28577140), (4, 14288570), (5, 11430856), (8, 7144285), (10, 5715428), (19, 3008120), (20, 2857714), (38, 1504060), (40, 1428857), (76, 752030), (95, 601624), (152, 376015), (157, 364040), (190, 300812), (314, 182020), (380, 150406), (479, 119320), (628, 91010), (760, 75203), (785, 72808), (958, 59660), (1256, 45505), (1570, 36404), (1916, 29830), (2395, 23864), (2983, 19160), (3140, 18202), (3832, 14915), (4790, 11932), (5966, 9580), (6280, 9101)]