221410540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{1693}}^1$

素因数の和:2218

約数の個数: 48

約数和(自身を含む): 502020288

約数和(自身を除く): 280609748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 503, 1006, 1693, 2012, 2515, 3386, 5030, 6539, 6772, 8465, 10060, 13078, 16930, 22009, 26156, 32695, 33860, 44018, 65390, 88036, 110045, 130780, 220090, 440180, 851579, 1703158, 3406316, 4257895, 8515790, 11070527, 17031580, 22141054, 44282108, 55352635, 110705270, 221410540]

約数ペア:

[(1, 221410540), (2, 110705270), (4, 55352635), (5, 44282108), (10, 22141054), (13, 17031580), (20, 11070527), (26, 8515790), (52, 4257895), (65, 3406316), (130, 1703158), (260, 851579), (503, 440180), (1006, 220090), (1693, 130780), (2012, 110045), (2515, 88036), (3386, 65390), (5030, 44018), (6539, 33860), (6772, 32695), (8465, 26156), (10060, 22009), (13078, 16930)]