28804564390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2141}}^1\times {\mathrm{2707}}^1$

素因数の和:4933

約数の個数: 64

約数和(自身を含む): 60139957248

約数和(自身を除く): 31335392858

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2141, 2485, 2707, 4282, 4970, 5414, 10705, 13535, 14987, 18949, 21410, 27070, 29974, 37898, 74935, 94745, 149870, 152011, 189490, 192197, 304022, 384394, 760055, 960985, 1064077, 1345379, 1520110, 1921970, 2128154, 2690758, 5320385, 5795687, 6726895, 10640770, 11591374, 13453790, 28978435, 40569809, 57956870, 81139618, 202849045, 405698090, 411493777, 822987554, 2057468885, 2880456439, 4114937770, 5760912878, 14402282195, 28804564390]

約数ペア:

[(1, 28804564390), (2, 14402282195), (5, 5760912878), (7, 4114937770), (10, 2880456439), (14, 2057468885), (35, 822987554), (70, 411493777), (71, 405698090), (142, 202849045), (355, 81139618), (497, 57956870), (710, 40569809), (994, 28978435), (2141, 13453790), (2485, 11591374), (2707, 10640770), (4282, 6726895), (4970, 5795687), (5414, 5320385), (10705, 2690758), (13535, 2128154), (14987, 1921970), (18949, 1520110), (21410, 1345379), (27070, 1064077), (29974, 960985), (37898, 760055), (74935, 384394), (94745, 304022), (149870, 192197), (152011, 189490)]