12912970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:132

約数の個数: 72

約数和(自身を含む): 28927044

約数和(自身を除く): 16014074

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 73, 95, 98, 133, 146, 190, 245, 266, 361, 365, 490, 511, 665, 722, 730, 931, 1022, 1330, 1387, 1805, 1862, 2527, 2555, 2774, 3577, 3610, 4655, 5054, 5110, 6935, 7154, 9310, 9709, 12635, 13870, 17689, 17885, 19418, 25270, 26353, 35378, 35770, 48545, 52706, 67963, 88445, 97090, 131765, 135926, 176890, 184471, 263530, 339815, 368942, 679630, 922355, 1291297, 1844710, 2582594, 6456485, 12912970]

約数ペア:

[(1, 12912970), (2, 6456485), (5, 2582594), (7, 1844710), (10, 1291297), (14, 922355), (19, 679630), (35, 368942), (38, 339815), (49, 263530), (70, 184471), (73, 176890), (95, 135926), (98, 131765), (133, 97090), (146, 88445), (190, 67963), (245, 52706), (266, 48545), (361, 35770), (365, 35378), (490, 26353), (511, 25270), (665, 19418), (722, 17885), (730, 17689), (931, 13870), (1022, 12635), (1330, 9709), (1387, 9310), (1805, 7154), (1862, 6935), (2527, 5110), (2555, 5054), (2774, 4655), (3577, 3610)]