11390540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 28440720

約数和(自身を除く): 17050180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 59, 70, 98, 118, 140, 196, 197, 236, 245, 295, 394, 413, 490, 590, 788, 826, 980, 985, 1180, 1379, 1652, 1970, 2065, 2758, 2891, 3940, 4130, 5516, 5782, 6895, 8260, 9653, 11564, 11623, 13790, 14455, 19306, 23246, 27580, 28910, 38612, 46492, 48265, 57820, 58115, 81361, 96530, 116230, 162722, 193060, 232460, 325444, 406805, 569527, 813610, 1139054, 1627220, 2278108, 2847635, 5695270, 11390540]

約数ペア:

[(1, 11390540), (2, 5695270), (4, 2847635), (5, 2278108), (7, 1627220), (10, 1139054), (14, 813610), (20, 569527), (28, 406805), (35, 325444), (49, 232460), (59, 193060), (70, 162722), (98, 116230), (118, 96530), (140, 81361), (196, 58115), (197, 57820), (236, 48265), (245, 46492), (295, 38612), (394, 28910), (413, 27580), (490, 23246), (590, 19306), (788, 14455), (826, 13790), (980, 11623), (985, 11564), (1180, 9653), (1379, 8260), (1652, 6895), (1970, 5782), (2065, 5516), (2758, 4130), (2891, 3940)]