211730960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{54013}}^1$

素因数の和:54040

約数の個数: 60

約数和(自身を含む): 572656428

約数和(自身を除く): 360925468

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 54013, 108026, 216052, 270065, 378091, 432104, 540130, 756182, 864208, 1080260, 1512364, 1890455, 2160520, 2646637, 3024728, 3780910, 4321040, 5293274, 6049456, 7561820, 10586548, 13233185, 15123640, 21173096, 26466370, 30247280, 42346192, 52932740, 105865480, 211730960]

約数ペア:

[(1, 211730960), (2, 105865480), (4, 52932740), (5, 42346192), (7, 30247280), (8, 26466370), (10, 21173096), (14, 15123640), (16, 13233185), (20, 10586548), (28, 7561820), (35, 6049456), (40, 5293274), (49, 4321040), (56, 3780910), (70, 3024728), (80, 2646637), (98, 2160520), (112, 1890455), (140, 1512364), (196, 1080260), (245, 864208), (280, 756182), (392, 540130), (490, 432104), (560, 378091), (784, 270065), (980, 216052), (1960, 108026), (3920, 54013)]