840051212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19073}}^1$

素因数の和:19119

約数の個数: 72

約数和(自身を含む): 1988884128

約数和(自身を除く): 1148832916

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 121, 143, 154, 182, 242, 286, 308, 364, 484, 572, 847, 1001, 1573, 1694, 2002, 3146, 3388, 4004, 6292, 11011, 19073, 22022, 38146, 44044, 76292, 133511, 209803, 247949, 267022, 419606, 495898, 534044, 839212, 991796, 1468621, 1735643, 2307833, 2727439, 2937242, 3471286, 4615666, 5454878, 5874484, 6942572, 9231332, 10909756, 16154831, 19092073, 30001829, 32309662, 38184146, 60003658, 64619324, 76368292, 120007316, 210012803, 420025606, 840051212]

約数ペア:

[(1, 840051212), (2, 420025606), (4, 210012803), (7, 120007316), (11, 76368292), (13, 64619324), (14, 60003658), (22, 38184146), (26, 32309662), (28, 30001829), (44, 19092073), (52, 16154831), (77, 10909756), (91, 9231332), (121, 6942572), (143, 5874484), (154, 5454878), (182, 4615666), (242, 3471286), (286, 2937242), (308, 2727439), (364, 2307833), (484, 1735643), (572, 1468621), (847, 991796), (1001, 839212), (1573, 534044), (1694, 495898), (2002, 419606), (3146, 267022), (3388, 247949), (4004, 209803), (6292, 133511), (11011, 76292), (19073, 44044), (22022, 38146)]