245406980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{134839}}^1$

素因数の和:134868

約数の個数: 48

約数和(自身を含む): 634287360

約数和(自身を除く): 388880380

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, 134839, 269678, 539356, 674195, 943873, 1348390, 1752907, 1887746, 2696780, 3505814, 3775492, 4719365, 7011628, 8764535, 9438730, 12270349, 17529070, 18877460, 24540698, 35058140, 49081396, 61351745, 122703490, 245406980]

約数ペア:

[(1, 245406980), (2, 122703490), (4, 61351745), (5, 49081396), (7, 35058140), (10, 24540698), (13, 18877460), (14, 17529070), (20, 12270349), (26, 9438730), (28, 8764535), (35, 7011628), (52, 4719365), (65, 3775492), (70, 3505814), (91, 2696780), (130, 1887746), (140, 1752907), (182, 1348390), (260, 943873), (364, 674195), (455, 539356), (910, 269678), (1820, 134839)]