203777980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{85621}}^1$

素因数の和:85654

約数の個数: 48

約数和(自身を含む): 517841856

約数和(自身を除く): 314063876

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 85621, 171242, 342484, 428105, 599347, 856210, 1198694, 1455557, 1712420, 2397388, 2911114, 2996735, 5822228, 5993470, 7277785, 10188899, 11986940, 14555570, 20377798, 29111140, 40755596, 50944495, 101888990, 203777980]

約数ペア:

[(1, 203777980), (2, 101888990), (4, 50944495), (5, 40755596), (7, 29111140), (10, 20377798), (14, 14555570), (17, 11986940), (20, 10188899), (28, 7277785), (34, 5993470), (35, 5822228), (68, 2996735), (70, 2911114), (85, 2397388), (119, 1712420), (140, 1455557), (170, 1198694), (238, 856210), (340, 599347), (476, 428105), (595, 342484), (1190, 171242), (2380, 85621)]