727641370

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 1369509120

約数和(自身を除く): 641867750

約数列:

[1, 2, 5, 10, 71, 73, 101, 139, 142, 146, 202, 278, 355, 365, 505, 695, 710, 730, 1010, 1390, 5183, 7171, 7373, 9869, 10147, 10366, 14039, 14342, 14746, 19738, 20294, 25915, 28078, 35855, 36865, 49345, 50735, 51830, 70195, 71710, 73730, 98690, 101470, 140390, 523483, 720437, 996769, 1024847, 1046966, 1440874, 1993538, 2049694, 2617415, 3602185, 4983845, 5124235, 5234830, 7204370, 9967690, 10248470, 72764137, 145528274, 363820685, 727641370]

約数ペア:

[(1, 727641370), (2, 363820685), (5, 145528274), (10, 72764137), (71, 10248470), (73, 9967690), (101, 7204370), (139, 5234830), (142, 5124235), (146, 4983845), (202, 3602185), (278, 2617415), (355, 2049694), (365, 1993538), (505, 1440874), (695, 1046966), (710, 1024847), (730, 996769), (1010, 720437), (1390, 523483), (5183, 140390), (7171, 101470), (7373, 98690), (9869, 73730), (10147, 71710), (10366, 70195), (14039, 51830), (14342, 50735), (14746, 49345), (19738, 36865), (20294, 35855), (25915, 28078)]