28577140

素因数分解:

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

素因数の和:664

約数の個数: 48

約数和(自身を含む): 63705600

約数和(自身を除く): 35128460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 157, 190, 314, 380, 479, 628, 785, 958, 1570, 1916, 2395, 2983, 3140, 4790, 5966, 9101, 9580, 11932, 14915, 18202, 29830, 36404, 45505, 59660, 75203, 91010, 150406, 182020, 300812, 376015, 752030, 1428857, 1504060, 2857714, 5715428, 7144285, 14288570, 28577140]

約数ペア:

[(1, 28577140), (2, 14288570), (4, 7144285), (5, 5715428), (10, 2857714), (19, 1504060), (20, 1428857), (38, 752030), (76, 376015), (95, 300812), (157, 182020), (190, 150406), (314, 91010), (380, 75203), (479, 59660), (628, 45505), (785, 36404), (958, 29830), (1570, 18202), (1916, 14915), (2395, 11932), (2983, 9580), (3140, 9101), (4790, 5966)]