3998623930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{2129}}^1\times {\mathrm{3833}}^1$

素因数の和:5983

約数の個数: 48

約数和(自身を含む): 8378746920

約数和(自身を除く): 4380122990

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 2129, 3833, 4258, 7666, 10645, 14903, 19165, 21290, 26831, 29806, 38330, 53662, 74515, 104321, 134155, 149030, 187817, 208642, 268310, 375634, 521605, 939085, 1043210, 1878170, 8160457, 16320914, 40802285, 57123199, 81604570, 114246398, 285615995, 399862393, 571231990, 799724786, 1999311965, 3998623930]

約数ペア:

[(1, 3998623930), (2, 1999311965), (5, 799724786), (7, 571231990), (10, 399862393), (14, 285615995), (35, 114246398), (49, 81604570), (70, 57123199), (98, 40802285), (245, 16320914), (490, 8160457), (2129, 1878170), (3833, 1043210), (4258, 939085), (7666, 521605), (10645, 375634), (14903, 268310), (19165, 208642), (21290, 187817), (26831, 149030), (29806, 134155), (38330, 104321), (53662, 74515)]