388664860

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1\times {\mathrm{1451}}^1$

素因数の和:1746

約数の個数: 48

約数和(自身を含む): 834261120

約数和(自身を除く): 445596260

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 227, 236, 295, 454, 590, 908, 1135, 1180, 1451, 2270, 2902, 4540, 5804, 7255, 13393, 14510, 26786, 29020, 53572, 66965, 85609, 133930, 171218, 267860, 329377, 342436, 428045, 658754, 856090, 1317508, 1646885, 1712180, 3293770, 6587540, 19433243, 38866486, 77732972, 97166215, 194332430, 388664860]

約数ペア:

[(1, 388664860), (2, 194332430), (4, 97166215), (5, 77732972), (10, 38866486), (20, 19433243), (59, 6587540), (118, 3293770), (227, 1712180), (236, 1646885), (295, 1317508), (454, 856090), (590, 658754), (908, 428045), (1135, 342436), (1180, 329377), (1451, 267860), (2270, 171218), (2902, 133930), (4540, 85609), (5804, 66965), (7255, 53572), (13393, 29020), (14510, 26786)]