249318020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{3863}}^1$

素因数の和:4340

約数の個数: 48

約数和(自身を含む): 599816448

約数和(自身を除く): 350498428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 461, 922, 1844, 2305, 3227, 3863, 4610, 6454, 7726, 9220, 12908, 15452, 16135, 19315, 27041, 32270, 38630, 54082, 64540, 77260, 108164, 135205, 270410, 540820, 1780843, 3561686, 7123372, 8904215, 12465901, 17808430, 24931802, 35616860, 49863604, 62329505, 124659010, 249318020]

約数ペア:

[(1, 249318020), (2, 124659010), (4, 62329505), (5, 49863604), (7, 35616860), (10, 24931802), (14, 17808430), (20, 12465901), (28, 8904215), (35, 7123372), (70, 3561686), (140, 1780843), (461, 540820), (922, 270410), (1844, 135205), (2305, 108164), (3227, 77260), (3863, 64540), (4610, 54082), (6454, 38630), (7726, 32270), (9220, 27041), (12908, 19315), (15452, 16135)]