238984940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{631}}^1\times {\mathrm{653}}^1$

素因数の和:1322

約数の個数: 48

約数和(自身を含む): 520793280

約数和(自身を除く): 281808340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 631, 653, 1262, 1306, 2524, 2612, 3155, 3265, 6310, 6530, 12620, 13060, 18299, 18937, 36598, 37874, 73196, 75748, 91495, 94685, 182990, 189370, 365980, 378740, 412043, 824086, 1648172, 2060215, 4120430, 8240860, 11949247, 23898494, 47796988, 59746235, 119492470, 238984940]

約数ペア:

[(1, 238984940), (2, 119492470), (4, 59746235), (5, 47796988), (10, 23898494), (20, 11949247), (29, 8240860), (58, 4120430), (116, 2060215), (145, 1648172), (290, 824086), (580, 412043), (631, 378740), (653, 365980), (1262, 189370), (1306, 182990), (2524, 94685), (2612, 91495), (3155, 75748), (3265, 73196), (6310, 37874), (6530, 36598), (12620, 18937), (13060, 18299)]