148932440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{229}}^2$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 341308080

約数和(自身を除く): 192375640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 229, 284, 355, 458, 568, 710, 916, 1145, 1420, 1832, 2290, 2840, 4580, 9160, 16259, 32518, 52441, 65036, 81295, 104882, 130072, 162590, 209764, 262205, 325180, 419528, 524410, 650360, 1048820, 2097640, 3723311, 7446622, 14893244, 18616555, 29786488, 37233110, 74466220, 148932440]

約数ペア:

[(1, 148932440), (2, 74466220), (4, 37233110), (5, 29786488), (8, 18616555), (10, 14893244), (20, 7446622), (40, 3723311), (71, 2097640), (142, 1048820), (229, 650360), (284, 524410), (355, 419528), (458, 325180), (568, 262205), (710, 209764), (916, 162590), (1145, 130072), (1420, 104882), (1832, 81295), (2290, 65036), (2840, 52441), (4580, 32518), (9160, 16259)]