127121540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{69847}}^1$

素因数の和:69876

約数の個数: 48

約数和(自身を含む): 328564992

約数和(自身を除く): 201443452

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 69847, 139694, 279388, 349235, 488929, 698470, 908011, 977858, 1396940, 1816022, 1955716, 2444645, 3632044, 4540055, 4889290, 6356077, 9080110, 9778580, 12712154, 18160220, 25424308, 31780385, 63560770, 127121540]

約数ペア:

[(1, 127121540), (2, 63560770), (4, 31780385), (5, 25424308), (7, 18160220), (10, 12712154), (13, 9778580), (14, 9080110), (20, 6356077), (26, 4889290), (28, 4540055), (35, 3632044), (52, 2444645), (65, 1955716), (70, 1816022), (91, 1396940), (130, 977858), (140, 908011), (182, 698470), (260, 488929), (364, 349235), (455, 279388), (910, 139694), (1820, 69847)]