407380120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{207847}}^1$

素因数の和:207872

約数の個数: 48

約数和(自身を含む): 1066260240

約数和(自身を除く): 658880120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 207847, 415694, 831388, 1039235, 1454929, 1662776, 2078470, 2909858, 4156940, 5819716, 7274645, 8313880, 10184503, 11639432, 14549290, 20369006, 29098580, 40738012, 50922515, 58197160, 81476024, 101845030, 203690060, 407380120]

約数ペア:

[(1, 407380120), (2, 203690060), (4, 101845030), (5, 81476024), (7, 58197160), (8, 50922515), (10, 40738012), (14, 29098580), (20, 20369006), (28, 14549290), (35, 11639432), (40, 10184503), (49, 8313880), (56, 7274645), (70, 5819716), (98, 4156940), (140, 2909858), (196, 2078470), (245, 1662776), (280, 1454929), (392, 1039235), (490, 831388), (980, 415694), (1960, 207847)]