54918640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{349}}^1$

素因数の和:650

約数の個数: 80

約数和(自身を含む): 146865600

約数和(自身を除く): 91946960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 281, 349, 560, 562, 698, 1124, 1396, 1405, 1745, 1967, 2248, 2443, 2792, 2810, 3490, 3934, 4496, 4886, 5584, 5620, 6980, 7868, 9772, 9835, 11240, 12215, 13960, 15736, 19544, 19670, 22480, 24430, 27920, 31472, 39088, 39340, 48860, 78680, 97720, 98069, 157360, 195440, 196138, 392276, 490345, 686483, 784552, 980690, 1372966, 1569104, 1961380, 2745932, 3432415, 3922760, 5491864, 6864830, 7845520, 10983728, 13729660, 27459320, 54918640]

約数ペア:

[(1, 54918640), (2, 27459320), (4, 13729660), (5, 10983728), (7, 7845520), (8, 6864830), (10, 5491864), (14, 3922760), (16, 3432415), (20, 2745932), (28, 1961380), (35, 1569104), (40, 1372966), (56, 980690), (70, 784552), (80, 686483), (112, 490345), (140, 392276), (280, 196138), (281, 195440), (349, 157360), (560, 98069), (562, 97720), (698, 78680), (1124, 48860), (1396, 39340), (1405, 39088), (1745, 31472), (1967, 27920), (2248, 24430), (2443, 22480), (2792, 19670), (2810, 19544), (3490, 15736), (3934, 13960), (4496, 12215), (4886, 11240), (5584, 9835), (5620, 9772), (6980, 7868)]